I am on the other side of this as well, as I buy and resell equipment (and keep some equipment for myself).
I think that generally, a clueless and disinterested seller can do four things
- Sit on the property.
Obvious ramifications
- Advertise it for a fixed price If the price is too low, then the seller would get less than she could, if more, see choise #1.
- Try to sell the items competitively Here the key is to find knowledgeable buyers. eBay is good for that if the item is properly described, which is what the current owner can help with. I recall one widow selling a "Tektronix soldering iron", which was actually a Tek P1006 oscilloscope probe. I bid on it and lost. Even though it was misdescribed, it sold for a sensible, but lower amount.
For a "widow with a garage full of strange tools" type of situation, the safest and easiest bet would be to find several cash buyers who are in the business of buying tools, and get several competitive bids.
And remember that a lot of tools in these situations are worthless crap that the owners thought they "could use someday" etc.
The advantage is that the garage would be cleaned out quickly and a suitable price can be obtained. The hassle of selling tools individually is very high for someone not doing ebaying professionally. A bid on all assets is a great thing.
When I see stuff on garage sales, and see something interesting, I always ask the innocent question "hi, do you know what this thing is". The purpose is usually not to find out what it is, but to find out if the seller knows. If not, I give some low ball offers, which sometimes work out to a good price. I do not see this as an unethical practice.
There is usually not that much money to be made from clueless widows sitting on a garage full of rusted "vintage" who knows what. A lot more can be made from clueless sellers of military surplus property (a pallet of "MISC EQPT 24 PCS" or some such), or even reselling misdescribed ebay items.
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