Boston Rounds - These work well for liquid soaps, all-purpose cleaners, shampoos etc. Easily put a pump to make it a dispenser or a spray top for household cleaners.
Jars - These work well for laundry/dishwasher pods, tooth tabs, tooth salts, baking soda etc.
Shaker - Clean just about anything with baking soda in a shaker. Makes cleaning a breeze!