Use a lightweight pot for boiling pasta; water will come to its initial boil faster and will return to the boil faster, too, saving time and preventing the pasta from clumping at the bottom of the pot.
Before heating a nonstick pan, always coat it with nonstick vegetable cooking spray and never heat the pan more than 3 minutes before adding food.
To remove pesky bottle tops and jar lids, don a pair of rubber gloves. Or twist a fat rubber band around the lid, then twist open. Works like a charm.