How to keep bugs out of your house

Sprays
Traps

How to get rid of specific bugs

Ants: Ants enter a home to find food, water, and shelter. When eliminating ants, make sure to keep your home free of excess food waste and moisture. In addition, you can lay out traps or spray to help discourage them from returning.
Aphids: Unlike other bugs, aphids tend to feed on the plants inside and outside of your home. Some common ways to get rid of aphids include using insecticides, horticulture oil, and even flour, which constipates the aphids. In addition, catnip plants repel aphids, so you can plant some of those near your other plants to keep aphids away.
Carpet beetles: While carpet beetles can't harm you, the larvae they produce can do major damage to upholstery, carpeting, clothing, and books. The easiest way to remove this pest is to clean up any dirt and dust, wash all of your clothing, and treat your living area with boric acid, diatomaceous dirt, or insecticide.
Centipedes: These scary-looking bugs tend to enter a home to feast on other insects. To remove them, spray around your baseboards and lay out traps. You can also remove any debris from around the perimeter of your house and dehumidify inside if you have a moisture problem.
Cockroaches: The bane of mankind, cockroaches have become a problem pest around the world. The easiest way to get rid of cockroaches in your home is to use insecticides, traps, and bug bombs for really bad infestations. Just as with ants, keeping your home clean can discourage cockroaches from taking up residence.
Earwigs: Though painful, the bite of an earwig is not dangerous. Earwigs are a household pest that feeds on other insects and the plants in your home. Like many other insects, boric acid works great when used along baseboards and cracks. In addition, you can use a vacuum to deal with any large colonies of earwigs you find. Just make sure to empty the canister or dispose of the bag after vacuuming the colony up.
Moths: Moths can get in your closets and damage your clothing. An easy way to get rid of a moth infestation is to hang some moth traps in your closet. You should also wash any clothing exposed to the moths to remove any eggs. Also dry the clothing or place them in the freezer if you can't dry them to remove the eggs.
Silverfish: Silverfish eat fabric, paper, and cardboard, making them a menace to your personal items. To rid yourself of this persistent pest, lay out traps along their normal paths, or use insecticides, boric acid, or diatomaceous dirt. In addition, clean up any old cardboard or paper products laying around your home.
Spiders: While beneficial because they eat insects, most people would rather not have spiders in their home. The easiest way to get rid of spiders is to spray down your home with peppermint oil, or place undiluted peppermint oil on a cotton ball and stuff it into a crack or place the spider might hide. In addition, Diatomaceous Earth is shown to be effective against spiders.
Stink bugs: Stink bugs seek the indoors to hibernate when it gets too cold for them outside. Producing a stink if squashed or disturbed, the easiest way to rid your house of them is to vacuum them up or use toilet paper to catch them and then flush them down the toilet. If you use a vacuum, make sure to remove and dispose of the bag immediately, preferably away from your home.