Grandad
Good job the CAA won't countenance your idea. It would put www and a lot of other folk out of a job. I suspect however that the quality/value for money would go up.
WWW
Dont forget that your starting at the boom time as far as hours are concerned. Wait till Autumn, your income will drop in a big way. Budget accordingly. Hope you keep the quality up and don't become one of the many young PPL instructors who skimp (don't do long and pre-flight briefs). To do the job properly takes at least 2/3 hours work for each hour in the air, unless of course its done the US way - tell the student to read the book or watch the video.