I'll just add that since you are just starting out get a brake assist that is automatic/built-in to the tow bar etc.
My first Toad, I bought the Brake Buddy. After time it gets REAL REAL old kneeing down on the ground to shove that brake buddy in, clamp it to the brake and try to adjust the seat so it works, hook up the wires,test the air 3 times yada yada yada. And then reverse the process.
All the while I am on my knees putting the BB into my Toad, my neighboring camper hooked up their Toad, flipped a switch and off they went.
If you have back problems do yourself a favor and buy one of the ones mentioned above! :W