Is there anything I could do to get alot of money?

Okay so My Dad usaully gives me 200$ to go school shopping but this year I want to spend more so I'm saving my money. Is there a way to get alot of money? I'm a 13 year old girl just to let you know. Is there something I could sell on eabay please help(: ohh yeah and don't say dog walking or yard sell or lemon ade stand and I'm already cleaning my grandmas house for 5 bucks once a week(: thanks