You may want to split a grocery sack down the middle to lay the baby's bottom under it for a temporary disposable changing pad. As you vacuum a room, tie a grocery sack to your belt loop. As you run around picking up those things that would clog your vacuum stick them in the sack. Keep a supply in the garage for messes. Keep a supply in your glove compartment or under the passenger seat of your car to quickly dump out trash that you or your kids carry into the car.
Collectors Take a sack to the library to help carry books in and out.
Use a sack to harvest your garden vegetables. Take a sack to carnivals and use it to collect all of the prizes your kids win. Send it in your child's bag to school or preschool to collect your child's soiled clothes. Household Uses Use them to line small trashcans. I hang a sack from a clothespin in the laundry for dryer lint and the trash I find in pockets.