Looking for sales person with experience

I am looking for someone with experience in sales, I have an e-commerce website and my wife recently oppened one of her own so I am looking for a new of new freelancer the pay rate is $10 per 10 sales the e-store is lingerie which has a high demand so it should not be hard for the seller I will not apply milestone due to the fact I was stripped clean of $300 without receiving the services, as a side note the first freelancer I employed is currently earning aproximately $435 dollars weekly for my site I expect to do the same for my wifeºs site