“Writers” or Graffiti Artists can make £300 a day. Couple of bookings a week and you’re away.
Here’s one of many with a long list of clients including Timberland, BBC1Xtra etc.
https://www.topdogpromotions.co.uk/theurbanist/
There is also a national, international element too. In the same way there are professional gamers, there are professional street artists / taggers. Certain individuals will frequent Barcelona, Bath, Brighton, London or wherever and go on a tagging spree weekend. Literally putting their name /...
It may be less people than you think. I suspect some of the main culprits who have larger murals or pieces about town will be tagging several times a day. I believe in Bath, which has a lot of street art, they matched the tags on the legitimate murals to illegal tags on public buildings /...