[notahacker]

Whether 10% is fair really depends on whether you're hoping the intern helps generate a few dollars or a few hundred dollars net profit per day worked, and whether you're expecting recurring revenue from those clients (if you are then 10% is very low, period)

There are a lot of salespeople on comfortable base salaries that get more than 10% of revenue they generate. Some of them have no real experience or qualifications.

Then again, there's also a depressing number of startups boasting about their funding and great new office location in adverts offering the opportunity to do a month or two of full time telesales for them with compensation only for top performance