I have three trailers I tow with the RT, including an Aspen Sentry camper similar to the Leisure-Lite. No problem towing as l;ong as you adhere to the RT towing limits...40 lbs maximum tongue weight and 400 pounds maximum combined cargo and trailer weight. Be sure to have enough tongue weight, a minimum of 10% of trailer weight or 15 lbs, whichever is more. The trailer can get squirrely if you don't. Be careful when you pack the trailer, it is easy to overload one with a large box, especially with a full cooler included. For the SE trailer mode should certainly be used. SM owners should keep the rpm up too. I use cruise control frequently, but be sure to stay in a low enough gear so the rpm stays up...5,000 or better. You may have to manually help with the throttle on steep or long hills. Remember that with a trailer you do will not stop as well....especially going downhill. Good situational awareness and leaving a safe distance is a must, as is being careful of speed going into downhill corners. Gas mileage will be affected, but how much is variable. I lose about 3 mpg with the RT-622 at freeway speeds and at least 5 mpg with the square camper. In mountains, at high speeds, or in stiff winds you may lose even more. Carrying a container of gas may be a good idea...or at least a comfort. With careful planning I have never used mine. I can tow 90 mph with my RT-622, and 80 with the camper, but it eats gas like crazy, especially in the mountains. Just load correctly and watch the weight, and you should get along fine. Be sure to do the annual (or sooner) maintenance on the trailer, especially repacking the wheel bearings. Don't overpack the bearings and check for heat buildup at your first opportunity. With a little practice, you will do fine. I recommend attaching the trailer and towing it all the time around home for a week. You'll be old hands by the time you hit the road. Some parking lot practice backing and parking, and learning how the trailer cuts in on corners, may be in order, too.