Source
Start with where to source resale inventory and define the products you can verify confidently.
Free UK reseller calculators for eBay safe bids, resale profit, ROI, margin and break-even purchase price. Use your own costs with no sign-up required.
Work backwards from expected resale and target profit to a maximum sensible auction bid.
EBAY PROFITInclude purchase price, postage, repairs, selling costs and expected sale price.
RETURNMeasure expected profit against the capital you put into the item.
MARGINMeasure expected profit as a percentage of your sale revenue.
BUY PRICECalculate the maximum purchase price after costs and target profit.
GENERALUse the original multi-market resale calculator already on ResellBot.uk.
Use the free calculators to set your buying rules. When you want to apply those rules repeatedly, reseller bot software can monitor searches, surface candidates and keep the decision linked to the eventual resale result.
Start with where to source resale inventory and define the products you can verify confidently.
Use profit, ROI, margin and maximum-buy-price calculations before you commit capital.
Use the eBay bot or Vinted bot workflows when repeated marketplace checking becomes the bottleneck.
Useful SEO should also be useful to a reseller. These tools work without a licence or sign-up. If you later want saved-search monitoring, local AI, market evidence, Discord alerts and auction tracking around the calculation, that is what the paid Resell AutoBot app provides.