Salvage class C

So my 2017 Class C was damaged by a tree. It put 2 holes through the roof into the coach, and damaged a few other areas. The awning was damaged, coping, skylight, frig vent, minor water damage inside, some electrical issues and the air bag on the left side blew out. The insurance company told me they are totaling it. I have full replacement insurance and started looking for a new unit. They reached out to me to tell me the salvage value which is 20% of the average NADA retail value and asked if I wanted to buy it.

So it got me thinking, do I by my unit back or let them take it and get a new one. The damage is repairable, but I would have to do it and it wouldn’t be 100% as the cost to do it would surpass the value. Then there is the whole salvage tile issue. Apparently in NJ you can only get liability on a rebuilt vehicle. I would have to get a salvage title, fix it, take it for inspection to get a rebuilt title.

It would be nice to own it free and clear but is it worth it? Anyone ever have a similar experience?