Another rec. for CL.
You don't say where you're located but check larger metro areas and be prepared to drive a bit.
In the Chicago area, most of 'em on CL tend to be on the high side with an occasional deal. Auction(real ones)
and government auctions can have some deals too. Just saw a (rough) Leitz focomat llC with lenses go for ~$70 from one of the local community colleges. You can also get in touch with local CC's, high schools or businesses that may have used a darkroom in the past. Graphic arts, etc.
I guess some folks think they're collectible