Do i need a permit to have a bake sale?

Ok some friends and i are trying to raise money to goto this convention, and we want to have a bake sale. We live in Arizona, an as far as i know bake sales are not banned here, but i cannot find a law saying we cant have a bake sale. It would be like a yard sale, at someones house, we know businesses wont let us,... show more Ok some friends and i are trying to raise money to goto this convention, and we want to have a bake sale. We live in Arizona, an as far as i know bake sales are not banned here, but i cannot find a law saying we cant have a bake sale. It would be like a yard sale, at someones house, we know businesses wont let us, and same with our school. Anyone who can help thank you very much!
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