Emergency trianagles, Ice maker if you use alot of ice and don't have one in the rv. Emergency brake down service. Braces for inside the refrigerator to keep things from falling out when you open the door. Some type of grill if you want to cook out. Toiletries so that you don't have to keep moving them on and off the rv. Good tire guage. Fan for out doors. If you have a black tank. hose to use to flush black tank, for this we use a regular green garden hose. Leveling blocks if you don't have stabilizers attached. Waste basket for bathroom and kitchen. Flaslights.