I bought a truck in late December, it took till mid February to just get it titled as a Motorhome in FL.
I did not start modifying the truck until after I had the clear title.
I began converting it to haul a Jeep on a deck, and added a bumper pull hitch for a travel trailer.
I spent every hour I could while working 55ish hours a week. I was able to have the truck, deck, and travel trailer road ready in April.
I would have liked to spend more time building, as I have spent as much time correcting/changing some designs, to make things more efficient.
We took our first big run in early June. 4 months after title completion.
Might want to wait until you have more time, and preferably better weather to work on the truck.