I think someone could maybe make some extra cash offering this service in the UK. I don't think the scene is large enough to sustain a full time business though.
How many people actually *need* a brand new cabinet ??
I think £420 is a good price for a new cab with all the work that goes in to it I think realistically painted with official decals I think £800 to £1000 complete ready to drop playfield in is fair
Not many people on here would want to pay that
If you are going to that effort on a cab you need to be doing the same with the rest of the machine like on my shop logs if you are scrimping and scraping then don't bother if you have a good customer base who want the best of the best and there are plenty out there then go for it or if you just love the machine and it's a keeper