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Squirrels have a strong sense of smell and can be deterred by various scents they dislike. Effective options include peppermint oil, rosemary, garlic, cinnamon, white vinegar, coffee grounds, and predator urine. Squirrels also have a strong aversion to capsaicin, the compound that makes chili peppers hot, making capsaicin-based repellents a good choice for protecting specific areas like gardens or bird feeders. For a DIY solution, you can create a garlic and vinegar spray and apply it daily. Additionally, placing strong-smelling items like certain soaps or dryer sheets near where squirrels frequent can also be effective.

Deer rely on scent to tell them what’s safe and unsafe, so effective deer repellents have to be pungent. Make your own natural repellent by combining a beaten egg, one tablespoon of cooking oil, one tablespoon of dish soap, and a half cup of milk. Pour it into a spray bottle and spray around your garden, avoiding anything you will want to eat later. This stinky repellent will ward off any deer that want to make your produce their next meal. But keep in mind that if your windows are nearby, the scent may waft over.

Gnats may eventually go away on their own, but it depends on the source of their attraction. If the environment that’s attracting them—such as overwatered plants, moist areas, or food debris—isn't addressed, they can persist or even increase in numbers. Reducing moisture, improving drainage, and cleaning up organic matter can help eliminate them. Without these changes, gnats are likely to stick around and continue breeding, making it important to remove their breeding grounds to get rid of them for good.

Yes, it’s safe to sleep in a house with termites. They don’t bite or spread disease and they aren’t likely to crawl on you or invade your personal space. However, termites can cause serious structural damage over time, which may compromise your home’s safety if left untreated. If you suspect an infestation, it’s best to schedule a professional inspection and treatment to prevent long-term risks to your property (not to mention your peace of mind).