Jeni emailed in the following tip:
Several years ago I read The Tightwad Gazette by Amy Dacyczyn. One of her tightwad tips made a big impression on me, and has stayed with me over the years: use less.
Do you really need to fill the laundry detergent cap to the line determined by the manufacturer before you dump it in the washer? Or will your clothes get clean using a bit less?
Do you need to fill the palm of your hand with shampoo to wash your hair? Or will a smaller amount do the job?
This idea can be applied to everything from condiments to cleaning products. Experiment in your home to see if using smaller amounts of products will give acceptable results.
The great thing is, you have nothing to lose. If your clothes don’t seem to get as clean with less detergent, or you don’t have enough lather to wash your hair properly using less shampoo, you can always go back to using more product. But you may just find that less is enough, thereby making those products last longer and ultimately your money go further.