I'd say the reason they are taking "offers" on these before they are assessed is so they have a nice stack from Joe public to,
A, chose the highest sucker bid
B, hound those new potential customers whom they know are in the market for a car
I'd let them keep their poxy cars and either repair them or put them out to auction........see what prices they get for them then.
Having sat for the car salesman's certificate (but never used it) I have even less respect for them than I did before, you walk into that classroom and throw any ethics you had out the window, we had some slimy little Nissan dealer teach our group & all we got was how good he was at ripping people off.

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Beaten up old 98 Gen 2 Liberty, 13.0, stock V3 STI running gear.
07 Transit motor home
69 VF & 70 VG Valiants needing full restoration
Yamaha Zooma 50cc rocket hopefully going with the Transit.