A mixed lot forces a decision on dozens of items at once, usually with limited time to inspect each one closely. The way to make that tractable is to stop evaluating item by item and instead build one estimate for the lot as a whole — then apply a single go/no-go decision to that total.
The evaluation sequence
- 1
Scan for anything genuinely valuable first
Identify the two or three highest-value pieces in the lot — these usually determine whether the lot is worth buying at all, so find them before doing anything else.
- 2
Rough-estimate a resale value for every visible item
Fast, low-confidence estimates are fine here — the goal is a reasonable total, not a precise per-item price.
- 3
Discount for the items you can't fully inspect
A sealed box, an item you can't power on, or anything at the bottom of a stack should be valued conservatively, not optimistically.
- 4
Subtract a disposal cost for anything unsellable
Every mixed lot includes some genuine trash — factor in the time or fee to discard it, not just the items you'll actually list.
- 5
Sum to a total lot value, then apply your normal purchase-price logic
Treat the lot's total estimated resale value as the 'expected selling price' input to the maximum-purchase-price formula, and work backward from there.
The go / no-go decision
Reading the total
| Situation | Read |
|---|---|
| Lot's estimated total value comfortably clears the maximum purchase price | Buy — with the risk allowance already priced in from the individual estimates |
| Lot's value is close to the asking price with little margin | Pass, or negotiate down — a mixed lot's actual realized value is usually lower than the optimistic estimate, not higher |
| Lot's value depends heavily on one or two uninspected items | Treat as high-risk; only proceed if the rest of the lot alone is worth the price |
After the purchase: allocating cost per item
Once a lot is bought, each item needs its own cost basis for profit tracking — not the full lot price attached to every item. A simple, defensible method is proportional allocation: divide the total lot cost across items in proportion to each item's estimated resale value, so higher-value pieces carry more of the cost and low-value pieces carry less. The companion guide on allocating lot cost walks through this in more detail.