And of course, you can always volunteer to speak at local events to help build references and a resume. See: Business Idea: Sports Coaching. OK, perhaps that’s a bit of a stretch, but overall Americans really love taking pictures. The people you serve can be friends and family, and you can encourage them to invite people they know to future meals. If someone converts his hobby into work he will earn a lot of money. If you have a wooded lot, selling your downed trees for firewood can be easy money as you clear your property each year. For example, if I wanted to build a business around my photography hobby, I could create a brand and sell photography accessories on Amazon products like lenses cases, camera backpacks, rain gear to protect a camera, tripods, lens cleaning cloths, and much more.