How do i keep my dogs out of the trash?

so, i have a dog, that no matter what i do, he keeps getting in the trash. ive tryed the spray bottle, and that didnt work because he got used to it. my mom wont allow baby locks, and my family arent on top of things, so its up to me and only me to keep our dogs, no one else will help. i want to keep my dogs, but... show more so, i have a dog, that no matter what i do, he keeps getting in the trash. ive tryed the spray bottle, and that didnt work because he got used to it. my mom wont allow baby locks, and my family arent on top of things, so its up to me and only me to keep our dogs, no one else will help. i want to keep my dogs, but i dont know how to train them to not go to the bathroom in the house, and to train them to not go into any trashcan in the house..... PLEASE HELP!!!!
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