Large cockroach control is are primarily taken care of outside. However, they can venture inside a home for food, water, shelter, or to breed. If you are seeing large breed cockroaches inside your home, it is not because you are a dirty person or that you keep a messy home. Of course, a messy home with plenty of access to the home as well as easily attainable food and water sources for the roach would make roach control harder. No, you have this problem because this roach is in your community. I guarantee you that all your neighbors have the same problem, they just will not talk about it. I cannot tell you how many times people think its them when they have a great home well kept and it is just the occasional invader randomly popping in because population around your home has increased. Having said this, once inside your home with favorable conditions can lead to an infestation.