BEST traffic sources FOR SCALING

Hi, regarding affiliate marketing: the goal is to find a profitable combination of traffic and offer. When you have one it would be very good to milk it as much as possible. The easiest way of milking would be if you pay 50x more for the traffic and you get 50x more results. BUT unfortunately I have heared that (with some traffic sources) it is not the case. So my question is: if for example I pay now 5$ a day and I am positive ROI of 50%. In which traffic sources I can just pay 50x more,...

BEST traffic sources FOR SCALING

from Pay Per Click Advertising https://ift.tt/2y6gul4
via IFTTT