Natural Spider Killer/Preventer: Take one cup of vingar, one cup of pepper powder, a teaspoon of oil and liquid soap. put it into a spray bottle and spay along the outside of your door(outside door) and along windows refresh after it rains.
Use Listerine as Mosquito Spray: @ deck party bugs were awful! Man @ Party Sprayed the Lawn & Deck with Listerine, & little demons disappeared. Next time I filled a Spray Bottle & Used it whenever I saw mosquitoes. And voila! That worked!