Keep your house clean and organized. 2. Avoid any unnecessary pile-up of waste materials of any kind outside the home. 3. Dispose of garbage in a closed bag and put it in a can with a secure lid. Dispose of your waste daily. 4. Avoid accumulation of any water indoors or outdoors. 5. Get any nooks or crannies with spaces in them filled up. 6. Fix any holes in your patio. 7. Keep your doors closed when not in use. Keeping doors and windows closed can get insects to come in easily without notice. 8. Add screens on windows to allow ventilation but not allow any insects to enter.