While some folks are downright terrified of spiders, others believe that they are good to have around the house because they feed on other annoying invasive insects. The problem with that line of thinking is that spiders will only set up shop places where there are a lot of annoying invasive insects. In other words, your home makes for a good hunting ground. That’s probably not what you’re shooting for.
In addition, chances are, if you have spiders, they’re coming the same way those other annoying creatures did: through cracks in your foundation, holes between windows, holes in screens, or cracks between doors and floors.
While most spiders are not dangerous, the brown recluse and the black widow can both cause serious medical issues for you or your family members and will require medical treatment to manage their venom. Your best bet for avoiding spiders is to avoid the insects that they feed on.