At bake sales, the PTA makes money by selling baked goods such as cookies, cupcakes, brownies, etc. Bake sales are also a great place to sell cookie dough. This way people can make their own cookies at home for $10 a tub.Furthermore, the PTA can also make these fundraiser cookies for the bake sale. If  people really like them, they can buy them for their own home. These are just a couple of ways to make money for the PTA.