Best homemade ORGANIC pesticide/repellant for gardens?

I use a dish soap and water mixture and it works great. Here is a link to my recipe - http://www.hometalk.com/diy/outdoor/pest-repeller/save-your-garden-sprays-28593963

You also might like this article - https://www.treehugger.com/lawn-garden/8-natural-homemade-insecticides-save-your-garden-without-killing-earth.html - good luck

One cup of sour milk (room temperature for 48hrs), 2Tbs flour, and 1quart of warm water. Shake and put in spray bottle. Apple cider and equal parts water. 50/50. Good Luck!

I use a homemade pepper spray on my organic garden. In a small pan of boiling water, add cayenne pepper and chili powder. Let steep until cool . Strain through a mesh coffee filter and fill a spray bottle. Spray around all your plants. It even keeps away rabbits and squirrels.

Dawn detergent and water in a spray bottle.

dawn in a water bottle works, just make sure to not go overboard on the Dawn... a few drops goes a LONG way!

For crawlers, use diatomaceous earth around your plants, or you can use ground egg shells too. For slugs, use beer in an aluminum pie tie, they get drunk and die.