I'M A LITTLE KID WHO EARNS MORE MONEY THAN YOU FOR JUST DOING EASY WORK!
Seriously, I get about 18$ a week for mowing about a little more than an acre of lawn (front and back combined) and doing all my regular chores, and I'm probably quite a few years older than you. I also get the occasional 5-10$ for watching my ADHD siblings for a couple hours, because I'm older than 12.
When I was your age, I watched the neighbor's pets for a cheap profit. I watched their cat and dog, going over 3x a day, taking the dog for walks, cleaning up animal feces, and feeding them for a whole week, just for 20$. That same neighbor hired me 2 more times before I moved away from that area, because I did a damn good job for my age, and for cheap. This is the kind of work you should be doing. Now go get a real working job, and brag about it on the forums, m'kay?