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The main things to consider when hiring an exterminator is your infestation size and budget. The price range for roach extermination varies widely depending on the circumstances. If it’s a localized infestation that only requires a few treatments from an exterminator, it will probably only cost hundreds of dollars at most. But if you have a large house and a widespread infestation, be prepared to pay thousands of dollars for fumigation and tenting.

Rats are nocturnal creatures, meaning they are most active at night, typically from late evening through the early morning. They use the cover of darkness to explore, forage for food, and find water, as they feel safer and can avoid daytime predators and human activity. Their sharp senses, including keen night vision and hearing, are well-suited for navigating in the dark. Because they prefer to stay hidden during the day in secluded areas like walls or attics, you are more likely to spot signs of their presence—such as droppings or gnaw marks—before you see an actual rat.

Adult fleas can live from a few days to about two weeks without a host. If pets are not available, fleas may feed on rodents or people. While adult fleas need a blood source to survive, flea pupae can lie dormant for up to a year in optimal conditions. Therefore, cleaning and treating the infested area is essential to prevent pupae from surviving and hatching later.

If it seems like many flies appeared in your yard overnight, don’t be concerned. A single fly can lay over 200 eggs per day, so having one in your yard could lead to dozens more the next day. That’s why it’s important to eliminate flies from outside your home before they take up residence.