I think your seller was a lot more eager to sell and not worry about any details. TTs have electric brakes and they are controlled by the brake controller in the tow vehicle. I haven't had a TT since I started RVing in '69 but I remembeer my first trip. We had a 21' Layton 1969 and towed it with a Lincoln. The TT dealer said I should try just the Reese hitch and then see if I needed the sway control. I needed the sway control. That TT was heavy at 4400#. You should also have a breakaway switch that fastens to the truck and will apply the TT brakes should the TT ever break loose.
The next problem is what happens to your name when you are no longer a newbie?