Toothpaste Hack

If you get an ink stain on your clothes, one way to get it out is to rub the stain with non-gel toothpaste, let it dry, then wash as usual.

WD-40 Uses

If you have tea stains on your counter tops, just spray a little on a damp sponge or cloth then wipe.
Remove marker and crayon marks by spraying it on upholstered furniture (spray on inconspicuous place first to make sure it does not leave a mark of its own).
Spraying a little WD-40 on a zipper then moving it up and down will help lubricate.
Prevent wasps nests tend to build in eaves, so a few sprays in those areas will prevent them.
Also, in early spring, spray into weep holes in bricks to prevent ant, bees, and other little critters.
Spray a bit into your hands to degrease, rub them together, and wash with soap and water.