I was turfed out of permanent employment in the Financial Sector IT world in London as a consequence of grey hair disability at the grand old age of 52. The message from the recruitment agencies was "don't bother trying for a new job. You are too old.". So I set up my own company and within six months was charging the financial businesses twice as much per hour as they used to pay me in permanent employment, plus there were no on-call responsibilities. "You need me to work extra hours to meet a dumb deadline date? No problem. Sign here..."