Wax paper is endlessly useful. Use it: To catch grated cheese, to place under seasoned flour for breading or spices for blackening, to tear into strips to slip under a cake you are icing, to cover a dish you are microwaving.
Collect a large assortment of Chinese wooden paddles and spoons. Use them to save wear and tear on your good stainless steel and copper pots.
Instead of using plastic wrap to cover bowls in the microwave, cover a round heatproof glass bowl with a round heatproof glass casserole cover or with an inverted heatproof glass bowl of the same size. A heat-resistant round glass pizza pan also works well, and the overhang makes removal and recovery both safe and easy.