Price of the logo depends on your client, as well as the quality you can deliver, it will vary, there are multiple freelancing sites you can check them.
The problem is
I don't have confidence in my work I know Think you shouldn't talk about earning money or how much to charge until you gain the needed confidence. Start by offering free services to potential clients. If your work is good, you will get good reviews which will in turn improve your confidence.
I can send you one logo for a trail. if your work is good, i will send you 5 usd plus good review.