All spiders have their taste buds on the tips of their legs and there are certain scents they hate, so using those scents like peppermint will repel the spiders, both inside and outside your home.
Ingredients:
1 tsp dishwashing liquid
3 cups water
1 tbs peppermint essential oil
Spray bottle
Instructions:
Mix all ingredients into a spray bottle.
Spray windowsills and entryways with solution