Sales and Marketing for my store

Looking for person with the lowest rate who would drive traffic/sales/potencial clients to my shopify shop via Facebook. This is a new general store where you can find men and women apparel, gadgets, tools for kitchen and many interesting stuff. The person - Has to be experienced, in setting up FB ad campaigns and driving sales with little investment. - Please show your previous work. Screenshots and proofs are needed. - Deep knowledge in generating conversions, targeting etc. WE WON'T PAY until: - I see progress in my store. With this I mean that I want to see sales before making any payment. More sales = More payment. Start your proposal with: "I READ AND ACCEPT EVERYTHING before your proposal" so I know you read everything.