I have a full-time job that supports my bills except for my art. My art sales support my art by paying for supplies, fees, etc. It didn't at first - in fact, I painted for 5 years before selling anything. I wanted to paint. I like how David put it "my art was going someplace different and more interesting" with time. I still get the thrill from creating, from pushing that paint around, from seeing it transform from "ugly" stage to "good" stage (not always, but some do!). In fact, I'm often amazed at the transformation. I do get into slumps (which you sound like you are in) when I feel there is nothing to paint, and nothing is working, and nothing is selling .... see that constant word "nothing"? It's hard to drag out of it, but you have to. The more "nothings" we look for, the more "nothings" we'll find.
I haven't done the $1 auction, probably never will. Because I know I would wind up feeling very similar to how you do, Bob, if it didn't sell at all, or sold for only $1. It would definitely bother me, and I know I'd start seeing the "nothings" again.
That being said, my $$ sales this year have exceeded last years quite a bit. But the bulk of my sales were not online or via auctions, but commissions & through physical shows. I found that the online art sales seemed to dry up for me last year, so I looked for new avenues to get my art out there. That may be a help for you as well.