Realistically I wouldn't think of these things because I'd be too sad being paralyzed. But if I was able to....
Based on my estimations, I would be eligible for ~1k/yr from CPP-D
It seems that this is something I could continue to receive outside the country, so I would either move in with relatives or some third world country that's dirt poor
Become a dedicated meme finder for my friends - Watch the best Youtube videos and give them custom curated content
Sign up for Neurolink
Depending on my paralysis level, get a wheelchair and learn to do terrain park with it (X Games Example)
Work with some of the open source wheelchair projects to make wheelchairs more customizable and affordable to other people
Honestly I already spend 12 hours a day in front of a computer, now that I think of it, I would lose some hobbies, but not much else would change :)