I personally would not pay anything, I would just steal something from google images. but i know someone who charges $500 for a logo and he says he makes a lot of money.
When I need something simple I go to fiverr and buy one for $10 (5 for the logo + 5 for the eps or psd files).
When I need something more professional I buy from someone here on this blog and I pay $40
Because some people care about their brand and how their company is perceived. Your pretty much saying you can replace a professional graphic designer with any random dude and a 'logo generator' app. No wonder 95% of websites look like complete shitAbout $5 on fiverrOr you can d/l logo making software from any torrent/black hat site and do a better job yourself. Why would you pay anything at all?
Anywhere from $20-$100. With all the success fiverr has had, it's hard to sell items that sell on there for more. Unless of course you are way better.