It's $80 just to fill the gas tank of a cargo van. I'm sorry, but if that's the case - then the bars you are pursuing are too small to be taken seriously. That's not business - that's a hobby.
I'm not knocking you for doing it because you like it - just noting that at that rate it doesn't belong on the business radar. You might be competing for local singers - but, you sure aren't competing for my business.