Perhaps I'd try the rock bottom price first, then make gradual steps up with each trip. As long as there's wifi and legroom the flight can cost whatever!
With regards to jacket potatoes, beans aren't an expensive addition!
At the very least;
Open a live music venue in Brighton, after purchasing an empty site
Buy a house in Brighton and kit it out with rooms for a vinyl collection, a media studio to record radio shows and edit my YouTube live music series
Travel around the world - flights to the States are only...