Everyone uses them, I have three myself. Take a key ring some beads and leather and you have a quick and easy craft. Soap is a product that everyone can use. It is a easy and very profitable craft. Glycerine soap can be done in many ways.
Bath salts are a easy craft.
Put sea salt into a container add scent and color. Shake and put into decorative jars. You can make as much as you want. A little for your own us or make it by the gallon to sell. Dead sea salt has extra minerals.