Don’t panic—you won’t need a chemistry degree. Spiders hate strong smells. Really. They have tiny noses? Something like that.
How To Keep Spiders Out Of Outhouse at Michelle Cousin blog
Mix a few drops of peppermint oil with water in a spray bottle. Spray it around door frames, windowsills, and corners. Your house will smell like a candy cane exploded.
Other spider repellent scents: citrus, lavender, eucalyptus, tea tree. Pick your favorite. Spiders will RSVP with “Sorry, can’t make it.”
Vinegar is your cheap best friend.
White vinegar mixed 50/50 with water works wonders. Spray it directly on webs or along baseboards.
The smell fades after a few minutes, but spiders are like “Nope, this place is spoiled.” Just don’t spray it on porous wood—it might stain.
A woolly bear spider once walked past my vinegar-soaked windowsill and literally turned around. I swear.