You could have a garage sale, or start a stand selling (cakes, muffins, lemonade ETC).
Set up a pocket money system with your parents, or do extra jobs around the house.
If one of your parents has a Amazon or Ebay account, ask them if you can sell some of your stuff that you don't use anymore.
You can also rake leaves, or snow for you neighbors.
You can also babysit.
You could also walk your neighbors dogs.
No
maybe put up some posters of a dog walking business something which is easy like washing a car x
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Sell all of your toys
Sell Girl Scout cookies or babysit.
A really fast tech working in a dealership can make $100,000 a year, most make 50 - 70
Give her money and make her feel she is the most popular girl in the world.
On the streets...or selling lemonade. That's about it. Ask your parents for money.
t racke LEAVES
An 11-year-old girl can make money cleaning other's yards. They can also make money by washing neighborhood cars for the elderly.
Delivering newspapers would be one of the best ones.
A 15 year old girl can baby sit in order to make money. Girls who live in London, UK can also mow grass for extra money.