I did the NETT course 3 years ago and ive worked constantly and very hard to establish myself. You can earn very good money but as Darren says its not going to come knocking on your door. If your taught right and market yourself, do a first class job word starts to get around. A lot of my jobs are recommendations. This isnt going to hapen overnight ive had to build up numerous contacts, working 7 days a week and late night finishes.This is my 3rd year tiling and this year i feel all those late finishes are starting to pay off as i am now booked up most of april. Not everyone who does these courses is going to make it, you have to want it and give it 100%, have the right customer skills and attitude and prepared to work very hard. Thats my opinion anyway Cheers