Some states are title and license, some aren't.
How to make it lightweight? Lol. Buy a lightweight one, which should t be an issue given your budget and shortbed model.
Pay attention to rear overhang since your towing... On a budget. Big hitches get expensive, but short enough camper with little/no drop down in back can typically get by with shorter hitch extensions depending on the trailer.
I wouldn't even consider one that doesn't have 4 permanently attached working jacks.
Should be on Craigslist not here right now!
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5” turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold