We did the antique thing for ten years. It paid for a Caribbean cruise and two trips to Hawaii before the antique market fell on its nose. I tied flies as a kid starting at 13 years old and had a small market with school teachers for a few years, then I discovered jigs and tying bucktails. That made quite a bit of money for a while seasonally. I was a product specialist in Culprit’s Crappie Tackle division for 15 years before they closed that aspect of the company down. When that happened I took up soft plastic injection and later on air brushing both soft and hard plastic baits. In the last ten years I have gotten pretty deep into the color shifting pigment side of bait making and love making color play on baits. There is zero money in it but I can honestly say that I can go to the water with baits that do a number on fish that nobody anywhere has. Having the water right in the back yard I get a kick out of taking a box of simple jigs and another of plastic baits and checking the kids fishing along the river. I’ll give a jig/plastic or two to each of them and show them how to use them then just mosey along.
For many years I’d pick up rods and reels at garage sales thru the warm months then spend the winter months in part fixing rods with new guides and tips and making sure the reels worked well and had new line of appropriate weight on them. Then in the spring I’d take them down to a local sporting goods store and leave them. The owner would give the rods to kids who showed signs of wanting to fish who didn’t have a rod nor could they afford one. Definitely no money in a lot of this but the satisfaction made it all worth while. Still does.