I find this funny also but on the flip side you would be surprised how willing people are to just give stuff away. At one point in my career I was really hard up but I was doing enought to support my one 55g cichlid tank. I had a set of convicts that just kept breeding and I wanted to try and save some of the babies. So knowing how many unused, algae covered, fishless tanks out there I posted a quick ad asking if anyone had any small unsused tanks that they would be willing to part with. I posted I would drive anywhere in houston to pick it up.
I was so surprised the next day when a lady called me and offered me a corner tank, just come and get it. I figured it would be rough but I went to go get it. The tank is my display tank now (see my profile). It is a 54g bowfront with stand. It has very few scratches and came with a fluval 305. Sweetest lady I have ever met she just didn't want the tank anymore, it was covered in algae and you couldn't even see the foot long pleco.... it's like I always say "you might be surprised"