Finding roaches crawling across your kitchen floor quickly steals your peace of mind. These pests hide behind appliances and dart out as soon as the lights turn on, making your home feel unsafe. Roaches don’t just look gross—they can spread germs and worsen allergies. Many people call pest control, but it can be expensive and often means spraying chemicals inside your home. If you want to save money and avoid strong smells, DIY roach killer is a good idea. With a few simple ingredients from your kitchen, you can take back control and keep these bugs away.