How can i make money?

-i am 11 i act 12 but this summer im goin on my first vacation but i dont get allowence my parents DONT pay me to do stuff around the house I have a dog i HAVE to walk lemonade stands dont give much i cant babysit (my older sis takes all the offers and she does the lawn) what can i do for some spending money 4 a souvenereGarage sale, bake sale, car wash, panhandle, walk dogs, pet sit, house sit, collect cans or scrap metal, have your parents buy the souvenir for you.
Ask your parents if you could cut the lawn temporarily and in exchange, them buy you a souvenir when you go on vacation.