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A place to start
For me it started with a puppy. She ran around the house and got into everything, so when ants also decided to run around our house I was searching for ways to keep the bugs at bay and keep her healthy. It turns out that black pepper is great for keeping ants out of your house, just sprinkle it where they are coming in at.
Then I learned that vinegar is a great way to kill dandelions in the yard.
Just doing a little homework will help keep a lot of awful chemicals out of your home and yard. And as I type that realize how nice it is to know that certified organic food is a great way to keep those awful chemicals out of your body.