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The Legend; Phil Hobson RIP
IMO it takes hundreds of hours work to have the experience to tackle a paying customers job solo, as I say in all these kinda threads, it would be better to see if you can get a job with a squad of tilers. You should still clear your £200 a week and gain proper experience at the same time. Not really the best time to be going into the game though.
All good advice, but as Wingn; says try for a team of tilers, even if you start as a labourer, you will learn more in one day with a pro gang than you will on a expensive 4 week course. Tiling is a mind set, if you are keen, and are willing to learn, you can succeed. I wish you all the best. Good luck