I am retired. I make custom grips for 1911's and some other handguns. I take them to the local gun show and sell them for $40.00 a set. I don't make very much money, but I have developed a "following" which is very rewarding. The money that I do make is usually spent at the show for other stuff that I "need". At the moment I'm avoiding crowds, so my son and daughter-in-law take them and show them at their tables.
Here are some examples: