I have this really bad problem where I have so many ideas for different comics that I can't seem to focus and finally sit down to make one. Do you ever have this problem? And if so, what helps combat it?

I think a lot of ideas can be layered into one comic. When I was working on King city I would come up with a lot of other ideas that I would use as background information or side jokes. I tend to feel like ideas are worth less to me than how something is done.