Buying a used car....

OMG What a nightmare. I have been shopping for the past month for a good used car not to exceed $7000. I find them. The good ones are already sold. When I talk to a salesperson and the little dollar figures stop rolling in their eyes as they calculate just how much money they will make....once that process has ended and they have determined I will not make them enough money for them to spend anymore time talking to, then I am back on my own to try and find another good deal. One of these days.....