Weed killer: 1 gallon vinegar, 2 cups epsom salt, cup dish soap not sure how this is organic unless she uses organic vinegar, organic Epsom salt & organic dishsoap- which I don't think is possible but more or less chemical free.
remove a tick: Apply a dollop of liquid soap to a cotton ball. Cover the tick with the soap-soaked cotton ball and dab it a few seconds the tick will spontaneously detach themselves and stick to the cotton when you take away the prop.
Simply pour 2 cups of CLUB SODA directly in the center of a fire ant mound. The whole colony will be dead within about two days. Each mound must be treated individually and a one liter bottle of club soda will kill 2 to 3 mounds.