As Dragon Ball's main character, it's only natural Goku be stronger than his rivals, but Vegeta actually has surpassed him on occasion. Despite how romanticized it is by the greater fan base, Goku and Vegeta's rivalry is a rather one-sided affair– even in Dragon Ball Z.
Regular potatoes, while they will not float in normal water, will float when sugar or salt is added to the water.
Carpet is the perfect material for uneven flooring. You can roll, bend, fold and buckle carpet any way you like and can do so easily. Carpet will conform to the shape of your floor, and plush carpets will even hide the deformities in your floor to create a more even look.