This varies based on the circumstance. Chemical-based pest control baits and poisons are usually the most potent, but they are unsafe to use around children and pets, so they won’t be a fit for every household.

Safer alternatives, such as boric acid and food-grade diatomaceous earth, can work as well, though they should still stay out of reach. Aside from that, the best thing any DIY-er can do is make their place uninviting by sealing off entry points, eliminating clutter, and maintaining a clean home.

Professional wasp removal methods vary depending on the wasp species, nest location, and the severity of the infestation. Professionals use a range of techniques, including high-grade insecticides, pesticides, aerosols, insecticidal dust, liquids, and vacuuming. After exterminating the wasps, the technician will remove the active nest to prevent re-infestation. For a major or pervasive wasp problem, it is recommended to hire a professional to handle the issue safely and avoid painful stings.

Fruit flies are more common during warm-weather months and may go away on their own in late fall once temperatures drop. However, they can survive year-round indoors as long as there's food available, so you'll likely want to take a proactive approach to get rid of them and stop the spread of bacteria.

Silverfish can crawl on you in your sleep. They enjoy consuming dandruff and will crawl on your scalp for nourishment. They can also find their way to your hairbrushes and anywhere you’ve shed dandruff. It’s important to keep pillowcases, sheets and brushes clean to avoid making your bed hospitable for unwanted guests.