all being well, the climb up will take them somewhere from 7 to 9 hours. you are welcome to have a friend bake your cake, cookies, pies or cupcakes but please keep food safety concerns in mind by avoiding ingredients that easily spoil. with so many toilets, showers, bathtubs, sinks, pipes, and drains in your home, there is a lot of plumbing that has the potential to break, crack, or leak. in turn, this means that a professional should always be called in this type of situation. so instead of 1 hour, it takes 3 hours and you are done. 