Returned and overstocked merchandise is sold by the pallet and the truckload to buyers who do not know exactly what is inside. The practice makes sense once the alternative is priced properly.
Sorting costs more than the goods are worth
A retailer receiving returns must decide what to do with each item, and the labour of testing, grading and repackaging is significant relative to a low-value product.
For anything below a certain value, that work costs more than the item will fetch even if it turns out to be perfect.
Selling the whole flow unsorted transfers both the labour and the uncertainty to someone whose costs are lower.
The price already assumes a share is worthless
Liquidation lots trade at a small fraction of retail value, and that fraction is set by experience of what such lots typically contain.
Buyers work on the expectation that some proportion is unsellable, some needs repair and a minority is fully saleable, with the saleable portion carrying the whole lot.
Because the discount is large enough to absorb the failures, precise knowledge of the contents is not necessary to make the purchase rational.
Manifests reduce risk at a price
Lots sold with a manifest listing the contents command higher prices than unmanifested ones, which is the market pricing the information.
Manifests describe what was scanned in, not the condition of each item, so they narrow the uncertainty without removing it.
Experienced buyers use category and source as stronger signals than any manifest, since returns from one type of retailer behave consistently over time.
Value is recovered through separation
The buyer's work is sorting, which is the step the retailer avoided. Goods are split into resale-ready, repairable, parts and waste.
Each stream goes to a different outlet, from discount stores and online marketplaces to recyclers, and the margins differ sharply between them.
Specialisation is what makes the economics work, because a business that handles only one category learns exactly where the value in that category hides.
Where the merchandise reappears
Sorted goods surface in bin stores, discount chains, marketplace listings and export markets, often several steps away from the original retailer.
This is why an item can appear new in its original packaging at a fraction of its price, with no warranty and no clear provenance.
The low price is real, and so is the absence of the protections that normally accompany a new purchase, both of which come from the same source.