$75 might get you a power washer or a lawn mower, maybe a snowblower depending on your area. Could make that money back real quick if you have a little charisma.

Get a shitty motorcycle and fix it up and ride it. You’d be amazed at what you can do with some time and and a couple youtube videos.

An actual bicycle. Constant change of scenery and not getting hit by cars really keeps me engaged.