 Another one is homemade weed killer. Now, this is where you take Epsom salt, and you take dish soap, and you take vinegar, and you make this concoction, and you spray it on your weeds, and it magically kills the weeds, the vinegar and the salt. The salt and the vinegar and the mixture of the soap attaches itself to the foliage, and it kills it. This does not work, simply because there are...