5 ms·Do you know they pay $5 to $10 per customer or is it a guess? just curiousby samtp 16y agoDo you know they pay $5 to $10 per customer or is it a guess? just curiousbmr 16y agoIn their early days, they were paying affiliates $2 per email submit.jfarmer 16y agoYes, they are definitely paying that much (or more). Groupon and Zynga are responsible for increasing the CAC via Facebook ads by 2-3x over the last year and a half.