Firstly i hope the Interview went well Graham.

Steve, when i was married and had my own home i was the sole wage earner, the lazy youngest stepson never gave a penny for anything, to this day he never gives my ex a single penny.

Definately you need to be asking your Kids to make a contribution, if only to teach them things have to be paid for, nothing is free in this life. I would suggest 25/30% of what they earn is a fair amount that way they pay an equal % amount, if they are NOT happy you can always suggest that they know where the door is, if people DONT ask there kids to contribute there is always the chance they will never want to fly the nest, and then when they do need to stand on there own two feet they will struggle to make ends meet, paying towards there keep helps to teach them thrift, and not to go wasting there salaries etc etc.