After time, a hose can burst causing a catastrophic leak. For additional peace of mind, replace the rubber hoses with durable stainless steel ones. Most manufacturers make racks that fit inside the dryer and remain stationary, allowing the items to dry without tumbling. Putting foil in my range's drip pans is a good way to keep them new and clean. Foil covering the drip pans can block the oven ventilation holes and possibly cause a short circuit in the electrical burner socket.
Drip pans are readily available and inexpensive.
Replace them for a fresh, clean look. Fixing appliances is always expensive. It's cheaper to buy a new one. Usually the parts you need are inexpensive. Of course, your machine may last anywhere from three to thirty years depending on a lot of factors.