I know now that that the Lynx itself isn't worth all that much. I paid for it new long after it was discontinued, and I've taken excellent care of it, so I thought it might still retain some of it's initial value.
I do have some other things I can try to throw in, like an A500 expansion chassis with hard drive controller and RAM board, and/or an A1000 with an internal 2MB RAM expansion.
Another reason for the price confusion is that where I live in the US, Amiga stuff pops up only once in a blue moon, and when it does, whoever's selling it is often selling it at get-it-out-of-my-house prices. Except on eBay, of course, but after seeing people over there pay $200 for a very obviously broken Cyberstorm board (true story), I've tended to dismiss eBay prices as insanity.