Most mistakes when buying return lots do not happen during sorting but before the order is placed: starting too big, forgetting freight and VAT, or having no sales channel ready. In this article we list eight mistakes that both beginners and experienced buyers make regularly, each with a practical fix. Knowing them lets you buy more calmly and with better grounding.
Mistakes 1 and 2: starting too big and forgetting freight and VAT
The first mistake is the most expensive one: buying a pallet or even a full truck straight away without ever having processed a smaller lot. At that point you do not yet know how many hours of sorting a kilo costs, what share you cannot sell and how fast your stock turns over. The fix is a trial lot. Amazon Shipping Bags (BP2) and Parcel Returns Small/Mid have no fixed minimum order, so you can start with 100 kg, for example, and only scale up once your figures add up.
The second mistake is calculating with the lot price alone. Our prices are exclusive of VAT and exclusive of freight; you prefinance the 21% VAT and freight is quoted per request. Worked example: 100 kg of BP2 at €5.25 per kilogram is €525 excl. VAT, so €635.25 incl. VAT, plus freight or collection in The Hague. VAT-registered businesses can generally reclaim the VAT through their return; have your accountant confirm how that works in your situation.
- Lot price excl. VAT (price per kilogram × weight)
- 21% VAT, to be prefinanced until your VAT return
- Freight as quoted, or your own trip costs when collecting
- Packaging materials, storage and your own hours
- A buffer for the share that does not sell
Mistakes 3 and 4: no storage plan and calculating with retail value
A lot arrives all at once and immediately fills space. Anyone who has not reserved room ends up sorting in the living room or garage and loses overview. An Amazon Overstock Box measures 120×80×60 cm and weighs around 100 kg, so even a single box needs a place, a tail lift or help with unloading. Measure your available square metres in advance, plan how you unload, and set up fixed zones for unsorted, ready-for-sale and disposal.
The fourth mistake is using retail value as the yardstick. Return goods may be incomplete, used or untested, packaging may be damaged and a share will never sell. So calculate backwards from your own sales channel: what does your customer pay per parcel or per box, how many units do you realistically get from a kilo and what share do you write off. Only that sum says anything about your margin; the price on the original label does not.
Mistakes 5 and 6: no sales channel ready and bringing consumer expectations into B2B
Buying first and only then working out where to sell is the fifth mistake. Stock that sits still costs storage and working capital. Decide on your channel before the first order — market, pop-up, webshop, live selling or a combination — and arrange what it needs: a pitch, a shipping solution, payment options and clear terms. Only then choose the product line that fits that channel: sealed small parcels for markets and live unboxing, sorted items for a webshop.
The sixth mistake is approaching a business purchase as if it were a consumer purchase. B2B buying follows different rules from a webshop for private customers: there is no guarantee on the contents or resale value of a lot, photos are representative examples and the return terms differ from B2C. Read your supplier's terms and disclaimer before ordering, ask your questions in advance and treat the lot as what it is: a business purchase with a calculated risk.
Mistakes 7 and 8: skipping the viewing and buying without an invoice
Anyone who orders remotely without ever having seen the goods misses information that half an hour in the warehouse does provide: how parcels are packed, what a grade looks like in practice and how big a box really is. So schedule a viewing by appointment, in our case in The Hague, or order a trial lot first if travelling is not convenient. Check the lot immediately on receipt and record what you find.
The eighth mistake is buying from a seller you cannot verify, often in cash and without an invoice. You then have no proof of origin, no purchase invoice for your VAT return and no one to turn to when problems arise. Always check the chamber of commerce registration (KVK in the Netherlands), the VAT number and the business address, request a (pro forma) invoice and pay by bank transfer. If in doubt about the tax side of a purchase, put it to your accountant.
- Check the company registration number and company name
- Valid VAT number and a visiting address
- (Pro forma) invoice before payment
- Payment by bank transfer, not cash
- Clear terms and a disclaimer available
How to approach your next purchase sensibly
The common thread through all eight mistakes is the same: know first, then buy. Start small, calculate with the total cost, make sure storage and sales channel are ready, keep the rules of B2B in mind and buy only from a verifiable supplier with an invoice. Use the checklist below for every order, even if you already have experience; it is precisely during growth that the old mistakes creep back in.
If you have already made one of these mistakes, that is no reason to stop. Process the lot as well as you can, note for each mistake what it cost you in time or margin, and adjust your next order accordingly. It is precisely a disappointing first lot that produces the figures you need to buy the second one better.
- Trial lot processed and hours per kilo measured
- Total cost incl. VAT, freight and packaging calculated
- Storage space, unloading and sorting zones arranged
- Sales price calculated from your channel, not from retail value
- Sales channel and terms ready before delivery
- Viewing done or trial lot assessed
- Supplier verified, invoice received, paid by bank
Mistakes when buying return lots are rarely a matter of bad luck; they come from going too big too soon, forgetting costs or not looking closely enough at what you buy and from whom. Anyone who starts small, calculates everything and works only with a verifiable supplier builds, step by step, a purchasing process that holds up at larger volumes too. Thinking about starting your own mystery box business? Get in touch — we are happy to help you find a suitable first lot.
Frequently asked questions
- How many kilos of return goods should I buy as a first lot?
- There is no fixed figure, but it is better to start small than big. Amazon Shipping Bags (BP2) and Parcel Returns Small/Mid have no fixed minimum order, so a trial lot of 100 kg, for example, is possible. Use it to measure your sorting time, your sales speed and the share you do not sell, and base your next order on that.
- Why do I need an invoice when buying a return lot?
- An invoice proves the origin of your goods, forms the basis of your VAT return and administration, and gives you someone to turn to if something goes wrong. Without an invoice you generally cannot deduct input VAT and you are in a weak position when the tax authority or a customer asks questions. So always request a (pro forma) invoice and pay by bank.
- Can I send a return lot back if the contents disappoint?
- Business purchases follow different rules from consumer purchases. No guarantee is given on the contents or resale value of a lot, and B2B return terms differ from B2C. Read your supplier's terms before ordering and limit the risk by starting with a viewing or a trial lot.