2 Of The Best Things You Can Do To Keep The Pests Out, Without Pest Control
Door Sweeps, Weather Stripping
Door with proper sweeps and weather stripping keep bugs and rodents out. If your door sweeps are not in good condition replace them. They could save you a major pest control headache.
Make sure your windows are sealed tight with good caulking. If you're seeing cracks, that could be a place for ants, roaches, and anything else to get in.