How Much Profit Should You Make on a Resale Item?

Aim for a profit that pays for the work and risk

There is no fixed amount you should make on every resale item. Your minimum should cover transaction costs, leave a worthwhile cash gain and justify the time and uncertainty. A £20 profit from a straightforward, quick sale can be better than £50 from a costly item that needs hours of work and months of storage.

Start with a cash-profit floor for routine purchases, then adjust it for preparation, shipping complexity and the likelihood of a return. Decide what counts as worthwhile before you are tempted by a low purchase price.

Revenue, gross profit and true profit are different

Revenue is the money from the sale. A £60 sale is not £60 of earnings. The purchase price, fees and fulfilment costs all have to come out of it.

In a simple sourcing calculation, gross profit is often described as sale price minus purchase price. Accounting definitions can include other direct costs in cost of goods sold, so be explicit about which costs you have deducted. For buying decisions, the important number is the amount left after every relevant cost.

Estimated transaction profit = sale proceeds − acquisition cost − marketplace and payment fees − postage − packaging − preparation and other selling costs. Business overheads, paid labour and income tax may reduce what you ultimately keep. If you exclude your own labour, do not describe that estimate as take-home pay.

Calculate the profit before judging the margin

Suppose an item costs £15 and you expect £60 in sale proceeds. Assume £7 in marketplace and payment fees, £5 for postage, £1 for packaging and £2 for cleaning. Those are example allowances, not current marketplace rates.

Profit = £60 − £15 − £7 − £5 − £1 − £2 = £30. Profit margin = £30 ÷ £60 × 100 = 50%. Purchase-price ROI = £30 ÷ £15 × 100 = 200%.

Margin tells you what proportion of revenue remains; ROI compares profit with the purchase outlay. Both are useful, but neither tells you how many hours the item consumes. The reselling ROI calculator can help you compare these measures using your own assumptions.

Compare low-cost, medium-cost and higher-value flips

These hypothetical examples deduct selling costs but not personal labour or income tax. Higher-priced items can generate more cash while delivering a lower percentage return.

Balance profit margin with sell-through speed

A high margin on unsold stock is only an estimate. A realistic lower-margin sale can release money and storage space sooner. However, reducing the price too far can leave too little profit to cover the work.

Look at recent comparable sales and how often similar items appear to sell. Do not treat a sold-listing count as a precise sell-through rate without a consistent view of active listings and the same time window. Season, size, condition and category can all affect demand.

For a practical approach to choosing a defensible listing price, see how to price items for resale. The aim is a price a buyer might actually pay, not the largest number seen in an active listing.

Build a repeatable minimum-profit rule

Estimate the time spent travelling, sourcing, checking authenticity, cleaning, photographing, answering questions and dispatching. Add a realistic allowance for unexpected costs or a lower accepted offer. Then test whether the likely profit still meets your floor.

Check current seller fees and whether they apply to buyer-paid delivery as well as the item price. If you include delivery collected from the buyer in your proceeds, include the delivery expense too. Never add postage income while ignoring its cost, or count an expense twice.

Track actual results. Repeated £20 gains on quick, low-risk transactions may fit your operation better than occasional £50 gains on slow, labour-intensive stock. Equally, some low-value items simply are not worth listing individually. Your records should determine the rule.