yes on the whole probably averaging about 20quid an hour, how much do rekon i should be taking in then?
Depends on how many hours of work do you have or intend to have.
What you decide to pay staff, how much it cost you to operate, how much you will need to expand and how much net profit you will be happy with.
Find out what your local competition at this level are charging.
How many "levels" has that SIMS business simulator programme have, that you use? He should just find out what other firms pay, and go from there?. Has your SIMS programme crashed, or which part of the tip should he follow? The first 2 lines , or the last line you typed? They contradict eachother, as they usually do when you give more than one line of brilliant advice.

Let's face it, the guy has done really well so far on his own, that means without taking any advice off anyone who hasn't got a proven track record.