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86 guides, written by people who run the sync.

Stock control, selling in more than one shop, and honest software comparisons. UK prices, UK rules, and no filler to hit a word count.

86 guides

Guide/5 Oct 2026/10 min read

How to Sell Vintage Clothing Online UK (2026)

How to sell vintage clothing online in the UK: how Etsy defines vintage, which sites suit which pieces, how to list and price, and avoid selling one-offs twice.

2 Oct 2026How to Get Barcodes for Your Products in the UKDo you need to buy barcodes to sell in the UK? What GTINs and EANs are, when GS1 is required, why resold barcodes cause problems, and how to make your own.How-to9 min read 1 Oct 2026Inventory Planning for Online Sellers: Step-by-StepInventory planning for online sellers: work out demand, set reorder points and safety stock, use ABC analysis, and review your inventory plan on a schedule.Guide10 min read 29 Sept 2026How to Sell Stuff Online in the UK (2026 Guide)A plain-English guide to selling items online in the UK: what tax rules apply, where to sell, how to list, price and post, and when to add a second site.Guide11 min read 28 Sept 2026What Is an MPN on eBay? Product IDs ExplainedWhat MPN means on eBay, how it differs from SKU, EAN, UPC and ISBN, where to find it, and what to do when your product has no identifier or code at all.Glossary7 min read 25 Sept 2026Markup vs Margin: The Difference, With FormulasMarkup and margin are not the same number. See the formulas, a conversion table, and how to price from the profit percentage you want, with UK examples.Pricing8 min read 15 Sept 2026Linnworks Pricing Explained (2026)Linnworks is quote-only with no public pricing - what drives the cost, what users report paying, why it went custom, and what to ask on a sales call.Comparison8 min read 11 Sept 2026What Is Minimum Stock Level? A Simple GuideWhat a min level (reorder threshold) is, how it relates to reorder point and safety stock, how to set one, and how it cuts excess inventory and storage cost.Glossary7 min read 9 Sept 2026I Almost Oversold My First Big Order (And How I Fixed It)How one candle maker discovered the overselling trap - and the simple fix that every Shopify + Etsy seller needs to know.Story4 min read 8 Sept 2026Barcode System for Small Business: UK GuideWhat you need for a small-business barcode system - EAN-13 vs internal SKUs, how scanning speeds up stock control, and how to choose software.Tutorial8 min read 4 Sept 2026What Is Inventory Replenishment? UK GuideWhat it is, the main methods (reorder point, periodic, min/max, demand-driven), how much to reorder and when, and the mistakes that cause stockouts.Glossary8 min read 1 Sept 2026What Is Consignment Stock? A UK GuideHow consignment stock works, who owns the inventory, the pros and cons for retailers and suppliers, the accounting treatment, and when it fits.Glossary7 min read 28 Aug 2026Buying Wholesale to Sell Online: UK GuideFinding UK wholesale suppliers, understanding MOQs, wholesale pricing and markup maths, VAT, and reselling on eBay, Amazon and Shopify.Tutorial9 min read 25 Aug 2026Best Sites to Sell Online UK (2026)eBay, Amazon, Etsy, Facebook Marketplace, Vinted, Depop, your own store, OnBuy and Gumtree - compared on fees, audience and what each is best for.Comparison10 min read 21 Aug 2026Best Second-Hand Selling Sites UK (2026)Vinted, eBay, Depop, Facebook Marketplace, Gumtree and Preloved - compared on fees, audience and what each is best for.Comparison8 min read 18 Aug 2026Best Etsy Alternatives UK: 6 Sites Like Etsy (2026)eBay, Folksy, Not On The High Street, Amazon Handmade, your own Shopify store and Vinted - compared on fees, audience and UK relevance.Comparison9 min read 15 Aug 2026What Is a Backorder? A Complete Guide for Online SellersBackorders explained - what they are, how they differ from being out of stock, when to accept them, and how to manage backordered stock without overselling.Glossary7 min read 15 Aug 2026Royal Mail Business Account (OBA): What It Is & How to Set One UpWhat a Royal Mail OBA is, how it differs from a personal account, what it gives you access to, and how to set one up as a UK online seller.Guide6 min read 14 Aug 2026How to Sync Shopify and Amazon Inventory Automatically (UK 2026)The manual method, the SKU matching that makes it work, and how automatic sync keeps Shopify and Amazon stock in step - so you never sell the same unit twice.Tutorial8 min read 11 Aug 2026How to Prevent Overselling on TikTok Shop (UK 2026)TikTok Shop sells in bursts - a viral video or LIVE can clear your stock in minutes. Here is exactly how to stop overselling across every channel.Tutorial8 min read 7 Aug 2026How to Sync eBay and Amazon Inventory Automatically (UK 2026)The manual method, the SKU-matching that makes sync work, and how automatic syncing actually operates - so you never sell the same unit twice.Tutorial8 min read 4 Aug 2026Free Inventory Management Software UK (2026) - Honestly ComparedWhat each genuinely free plan actually includes, where the limits bite, and which free tier fits multi-channel UK sellers.Comparison8 min read 31 Jul 2026Temu Inventory Management UK: Local Seller Guide (2026)Selling on Temu UK Local-to-Local - registration, the 0-2 day dispatch standard, HMRC reporting, UKCA rules, and multi-channel stock sync.Marketplaces9 min read 28 Jul 2026Vinted Inventory Management for Pro Sellers (UK 2026 Guide)Vinted Pro registration, the allowlisted API, cross-listing to eBay and Depop, and the single-item stock problem unique to resale.Marketplaces9 min read 25 Jul 2026Best Inventory Software for TikTok Shop UK (2026) - ComparedCompared on sync speed, multi-channel support and price - and why sync speed decides everything on a channel as spiky as TikTok.Comparison9 min read 24 Jul 2026What Is MOQ (Minimum Order Quantity)? A Guide for UK SellersWhy suppliers set MOQs, how to work out whether one is affordable, how to negotiate it down, and what a high MOQ does to your cash flow.Explainer8 min read 21 Jul 2026How to End and Relist eBay Listings in Bulk (2026)Ending in bulk, relisting without losing sales history, when relisting actually helps placement - and the seasonal alternative that keeps your listing alive.Tutorial9 min read 20 Jul 2026How to Bulk Edit eBay Listings (2026): Every Method ComparedSeller Hub, the bulk listing tool, File Exchange CSV or automation - what each can do, the errors that bite, and which to use when.Tutorial10 min read 20 Jul 2026How to Bulk Upload Products to Amazon Seller Central (2026 Guide)Flat file templates, required fields, GTIN rules, variations, reading the processing report, and the errors that reject most uploads.Tutorial11 min read 19 Jul 2026How to Export Shopify Products to CSV (and Import Them Back Safely)What each column means, how variant rows work, editing without breaking listings, and re-importing without overwriting good data.Tutorial9 min read 19 Jul 2026How to Add Barcodes (EAN/GTIN) to eBay, Amazon and Shopify ListingsWhere to get legitimate barcodes, adding them on each platform, when you need an exemption, and why barcodes are not SKUs.Tutorial10 min read 18 Jul 2026Linnworks vs Brightpearl (2026): Honest Comparison for UK SellersPricing, features, contracts, support and fit - plus the third option most comparisons skip.Comparison9 min read 18 Jul 2026UK Online Marketplaces: The Full List for Sellers (2026)Every UK marketplace worth selling on in 2026 - eBay, Amazon, OnBuy, Tesco, B&Q, Wayfair, TikTok Shop and more - with fees, entry difficulty and who each suits.Marketplaces12 min read 18 Jul 2026How to Sell on Tesco Marketplace: UK Seller Guide (2026)Application, requirements, fees, Mirakl integration, and keeping Tesco stock in sync with eBay, Amazon and Shopify.Marketplaces10 min read 17 Jul 2026Veeqo vs Linnworks (2026): Free vs Quote-Only Pricing - Which Fits UK Sellers?Amazon-owned free software vs quote-priced marketplace platform - pricing, sync reliability, data ownership, and the gap between them.Comparison9 min read 17 Jul 2026How to Sell on B&Q Marketplace (diy.com): UK Seller Guide (2026)Application, requirements, commission, the Mirakl listing workflow, and multi-channel stock sync for B&Q sellers.Marketplaces10 min read 16 Jul 2026Cin7 vs Brightpearl (2026): Which Inventory Platform - and Do You Need Either?Pricing, contracts, onboarding time, support themes, and when a lighter tool is the smarter buy.Comparison8 min read 16 Jul 2026How to Sell on OnBuy: UK Seller Guide (2026)Registration, fees, listing by barcode, why OnBuy never competes against its sellers, and syncing stock with eBay and Amazon.Marketplaces9 min read 15 Jul 2026How to Sell on Wayfair UK: Supplier Guide (2026)How Wayfair's wholesale dropship model works for UK home brands - application, pricing, CastleGate, and keeping your stock feed always true.Marketplaces9 min read 14 Jul 2026ABC Analysis for Inventory: The 80/20 Method Explained (UK Guide)How to classify stock into A, B and C categories, run the calculation step by step, and use it to cut dead stock and free up cash.Explainer10 min read 13 Jul 2026Inventory Turnover Ratio: How to Calculate and Improve It (UK Guide)The formula, worked examples, what a good ratio looks like by category, and seven practical ways to improve yours.Explainer9 min read 12 Jul 2026Economic Order Quantity (EOQ): Formula, Worked Examples and When It BreaksThe EOQ formula in plain English, a worked example, how to estimate ordering and holding costs, and when to ignore the textbook answer.Explainer10 min read 11 Jul 2026eBay Seller Fees UK Explained: Full Breakdown With Worked Examples (2026)Every fee UK eBay sellers actually pay - final value fees, the per-order fixed fee, shop subscriptions and Promoted Listings - with worked margin examples.Guide12 min read 10 Jul 2026Shopify vs eBay UK: Which Should You Sell On First? (Honest Comparison)Traffic, fees, control, effort and margins compared honestly - plus why the right answer for most sellers is eventually both.Comparison11 min read 9 Jul 2026Cycle Counting vs Full Stocktake: Which Is Right for Your Business?How cycle counting differs from an annual stocktake, how to build an ABC-based counting schedule, and why little-and-often wins.How-to9 min read 28 Jun 2026How to Sell on eBay, Etsy and Shopify at the Same Time (Without It Becoming a Nightmare)Selling across eBay, Etsy and Shopify multiplies your reach without multiplying your products. Here's exactly how to set it up and manage it - including the stock sync piece most guides skip.Multi-channel11 min read 27 Jun 2026Best Linnworks Alternatives for Small UK Sellers (2026)Linnworks is powerful but expensive and built for warehouse teams. Here are the best alternatives for small UK sellers - compared on price, eBay support, and ease of use.Comparison9 min read 26 Jun 2026How to Stop Overselling on eBay, Etsy and Shopify (and What to Do When It Happens)Overselling across multiple channels is one of the most damaging problems for UK online sellers. Here's exactly why it happens, how to fix it, and how to make sure it never happens again.Multi-channel10 min read 25 Jun 2026Black Friday Inventory Planning: How to Prepare Your Stock for Peak SeasonBlack Friday is the biggest sales day of the year for most UK ecommerce sellers. Here's how to forecast demand, time your stock orders, and avoid the most expensive mistakes.Planning11 min read 24 Jun 2026Stock Valuation Methods for UK Businesses: FIFO, AVCO, and MoreHow you value your inventory affects your reported profit and your tax bill. This guide explains FIFO and weighted average cost - and which method suits UK small businesses.Finance9 min read 23 Jun 2026Inventory Kitting and Bundling: How to Sell More Without Buying More StockKitting and bundling let you create new product offerings from existing stock - increasing order value, clearing slow movers, and differentiating from competitors.Strategy9 min read 22 Jun 2026Best Inventory Management Software for Shopify UK (2026)The best inventory management software for UK Shopify sellers in 2026 - reviewed and ranked on pricing, sync reliability and UK fit.Comparison9 min read 22 Jun 2026How to Manage Seasonal Inventory: Planning for Peaks and TroughsSeasonal demand swings are the biggest inventory challenge for UK ecommerce sellers. Learn how to plan stock levels for peak season and manage the off-season trough.Planning10 min read 21 Jun 2026Salync vs Linnworks: Which Is Better for UK eBay Sellers? (2026)A detailed Salync vs Linnworks comparison for UK eBay and Shopify sellers - pricing, eBay integration, contracts and support.Comparison10 min read 21 Jun 2026Dead Stock: How to Identify and Clear Excess InventoryDead stock ties up cash and warehouse space. Here's how to spot it early, understand what it's costing you, and use 7 proven strategies to clear it - including the UK tax write-off rules.Strategy10 min read 20 Jun 2026PrestaShop Inventory & Stock Control (2026)Running a PrestaShop store alongside eBay or Amazon? Learn how to sync PrestaShop inventory across multiple channels and keep stock accurate automatically.How-to8 min read 19 Jun 2026Magento Inventory Management & Sync (2026)Running a Magento 2 or Adobe Commerce store alongside eBay or Amazon? Learn how to sync Magento inventory across all your channels automatically.How-to9 min read 18 Jun 2026Faire Wholesale Inventory Management: How to Sync Stock Across Retail and WholesaleSelling wholesale on Faire alongside Etsy or your own store? Learn how to manage wholesale inventory and prevent overselling across retail and wholesale channels.How-to8 min read 17 Jun 2026Squarespace Inventory Management: How to Sync Stock with eBay and Other ChannelsSelling on Squarespace Commerce alongside eBay, Etsy, or Amazon? Learn how to manage Squarespace inventory across multiple channels and keep stock in sync automatically.How-to7 min read 16 Jun 2026Wix Inventory Management: How to Sync Stock with eBay and Other ChannelsSelling on Wix Stores alongside eBay, Etsy, or Amazon? Learn how to manage Wix inventory across multiple channels and keep stock in sync automatically.How-to7 min read 15 Jun 2026BigCommerce Inventory Management: Multi-Channel Stock Sync Guide (2026)Selling on BigCommerce alongside eBay, Amazon, or other channels? Learn how to sync BigCommerce inventory across all your platforms automatically.How-to8 min read 14 Jun 2026OnBuy Inventory Management: How to Sync Stock Across Channels (UK)Selling on OnBuy alongside eBay, Amazon, or Shopify? Learn how to manage OnBuy inventory, prevent overselling, and keep stock in sync automatically.How-to7 min read 13 Jun 2026Using Barcodes for Inventory Management: A Practical Guide for UK SellersHow to use barcodes to speed up stock control, reduce errors, and keep inventory accurate - a practical guide for UK small businesses and online sellers.How-to10 min read 12 Jun 2026Inventory Forecasting for Small Businesses: How to Predict Demand and Avoid StockoutsDemand forecasting doesn't need to be complicated. Here's how small UK ecommerce businesses can predict what stock they need and when to order it.How-to10 min read 11 Jun 2026Dropshipping vs Holding Stock: Which Is Right for UK Online Sellers?An honest comparison of dropshipping and holding stock for UK sellers - profit margins, risk, scalability, and which model suits different types of businesses.Comparison11 min read 10 Jun 2026How to Handle Returns in Your Inventory System (UK Seller's Guide)Returns are inevitable in ecommerce. Here's how to process returns properly, update your inventory, handle damaged goods, and reduce your return rate.How-to9 min read 9 Jun 2026Purchase Order Management for UK Small Businesses: A Complete GuideHow to manage purchase orders effectively as a UK small business - from raising POs to tracking delivery, managing supplier relationships, and keeping inventory accurate.How-to9 min read 8 Jun 2026eBay Stock Control: How to Manage Inventory Across Multiple eBay ListingsA practical guide to eBay stock control for UK sellers - managing quantities, avoiding out-of-stock defects, handling variants, and syncing with other channels.How-to9 min read 7 Jun 2026Inventory Management for Small Businesses UK: Complete Guide (2026)A practical guide to inventory management for UK small businesses - what system you need, how to set it up, and how to avoid the most common stock control mistakes.How-to10 min read 6 Jun 2026How to Calculate Safety Stock: Formula, Examples & Tips for UK SellersSafety stock protects you from stockouts when demand spikes or suppliers are late. Here's the formula, worked examples, and how to automate it for your business.How-to9 min read 5 Jun 2026How to Do a Stock Take: Step-by-Step Guide for UK Small BusinessesA practical guide to doing a stock take for UK small businesses - how to prepare, count accurately, reconcile discrepancies, and update your inventory system.How-to10 min read 4 Jun 2026Amazon FBA Inventory Management: How to Avoid Stockouts and Storage Fees (2025)A practical guide to Amazon FBA inventory management for UK sellers - how to avoid stockouts, reduce storage fees, and sync FBA stock with your other channels.How-to11 min read 3 Jun 2026What Is a SKU? A Complete Guide for Online Sellers (With Examples)SKUs explained for UK ecommerce sellers - what they are, how to create a SKU system, and why they're essential for multi-channel inventory management.How-to9 min read 3 Jun 2026Shopify Inventory Management: Complete Guide for UK Sellers (2026)Everything UK sellers need to know about managing Shopify inventory - from built-in tools to multi-channel sync with eBay and Amazon.How-to10 min read 31 May 2026Etsy Inventory Management: How to Sync Stock with eBay and Other ChannelsSelling on Etsy alongside eBay or Shopify? Learn how to manage Etsy inventory, avoid overselling, and keep stock in sync across all your sales channels.How-to7 min read 30 May 2026WooCommerce Inventory Management: How to Keep Stock in Sync (2026)Selling on WooCommerce alongside eBay or Amazon? Learn how to manage WooCommerce inventory, prevent overselling, and sync stock across all your channels automatically.How-to7 min read 29 May 2026How to Sell on Amazon and eBay at the Same Time (Without Overselling)Running both an Amazon and eBay store? Learn how to manage stock across both channels, avoid overselling, and keep listings in sync automatically.How-to7 min read 28 May 2026How to Manage Inventory Across Multiple Sales Channels (2026 Guide)Selling on eBay, Shopify, Amazon, WooCommerce and more? Here's how to keep stock in sync across every channel without overselling or manual updates.How-to9 min read 15 Jan 2026Linnworks vs Veeqo vs Salync (2026): Which Is Best for eBay & Shopify Sellers?Comparing Linnworks, Veeqo and Salync for UK eBay and Shopify sellers - real pricing, features, and which fits which size of business.Comparison10 min read 6 Jun 2025How to Import Products from eBay to Shopify (Step-by-Step)Step-by-step guide to importing your eBay listings into Shopify - the fastest methods for UK sellers, and how to keep both in sync afterwards.Tutorial9 min read 6 Jun 2025Free Stock Control Spreadsheet Template for UK Sellers (Download)Download a free stock control spreadsheet template for UK eBay and Shopify sellers - track inventory, reorder points and stock value.Resource7 min read 5 Jun 2025How to Calculate Reorder Point (Formula + Examples)The reorder point formula explained for eBay and Shopify sellers - with worked examples and how to automate alerts so you never run out of stock again.How-to6 min read 25 May 2025How to Sync eBay and Shopify Inventory (Step-by-Step Guide)Keep your stock in sync across eBay and Shopify automatically - no manual updates, no overselling. A practical walkthrough from import to live sync.How-to8 min read 20 May 2025Best Inventory Management Software for eBay Sellers UK (2025)A straight-talking comparison of the top multi-channel inventory tools for UK online sellers - including pricing, pros, cons, and who each one suits.Comparison7 min read 15 May 2025Linnworks Price Increase: Your Options as a UK SellerIf you've just received a Linnworks price hike, you're not alone. Here's what's changed, why it's happening, and your best alternatives.Switching5 min read 10 May 2025Why You're Overselling on eBay (And How to Stop It)Overselling on eBay damages your seller rating and costs you money. Here are the three reasons it happens and exactly how to prevent it.How-to6 min read

Reading about it is the slow way.

Most of these guides end the same way: connect your shops and let one stock count run them. The free plan covers two shops, which is where overselling starts.

Start free See the 27 shops