The next time you have green onions, don't throw away the white ends. Simply submerge them in a glass of water and place them in a sunny window. Periodically empty out the water, rinse the roots off and give them fresh water.
Remove Rust Spots from Knives and Silverware with Lemon Juice
If you wrap your celery in tinfoil before placing it in the fridge it will last for weeks and will still be fresh and crisp when you pull it out. This also works for stored broccoli for 7 weeks wrapped in tinfoil and heads of lettuce for at least 6 weeks.
Glue a magnet to the bottom of the hammer so you don't have to hold nails in your mouth while hanging pictures - (or for other projects. If the bottom of the hammer doesn't work out, a magnet on a clip to a belt would work too - JD)
Dishwasher soap - Baking Soda & Borax (all-natural household cleaner, in the laundry aisle) Mix together equal parts of each. Use just like a commercial powdered detergent, approximately 2 TBS per load. Each load will cost you pennies.