Bleach water

If you use liquid bleach, rinse the jug when it's "empty" with a couple of tablespoons of water. Put it in an empty dish soap bottle with a squirt top and label it, then use it to remove stains on counter tops or anywhere you need it.

Make toilet bowl cleaning easier

An empty liquid dish soap bottle makes a great "squirter" for under the rim of the toilet stool. Put bleach water or vinegar in it, squirt and let it set, then brush and flush.