Exterminator David Quinn shows Roger Hailes how to pest-proof your home. Step one is to keep it clean, by scrubbing that kitchen and never leaving out food or crumbs. Mixing a simple paste from sugar and boric acid will easily take care of your ant infestation. For rodent problems, nothing beats a good old fashioned snap trap, baited with a little peanut butter. Roaches are the toughest to get rid of, and while there are sprays and traps, they may actually require a professional.