Cockroach extermination is a very long process that can become frustrating over time. Nobody wants to come home to cockroaches in the kitchen, and there a few things you can do to help prevent them. First of all, cockroaches eat everything in sight. It is very important with cockroach removal to clear your kitchen of any crumbs, grease drippings, and all opened food. Sweep under the fridge, below counters, and clean inside the oven. Something else to remember about cockroaches is they are Thigmotropic creatures, which means they like pressure on all sides of their bodies. What this means for you and your family is when one cockroach is spotted, more are probably hiding in tight spaces.