There's a website called The Penny Hoarder. A couple of years back they ran a piece called 21 Weird (But Totally Legal) Ways to Make Extra Money if You're a Guy.
Now why you have to be a guy to explore any of these opportunities is beyond me, but that's what the headline says. And you probably won't make a ton of dough chasing after some of these ideas, but the list is interesting and you might see something here you'd like to pursue.
You can invest in real estate around the country for just $500. You can actually get paid to watch videos online. You can get cash back on groceries. You can become a Lyft driver. Or join a market research panel.