Fill a 16-ounce trigger spray bottle with water. Fill it almost to the top, but leave just enough to include the other ingredients. Next, add three tablespoons of Castile soap and 20-30 drops of Tea Tree oil. Shake the bottle to mix everything up. Now you’re ready to disinfect the house.

Here is the cost breakdown:

Lysol Antibacterial Kitchen Cleaner costs $2.99 for a 22-ounce bottle. When you make the version above, it will cost you $.95 cents. That’s a savings of $2.04 each time you refill.