hey guys..have had tremendous success in my info product business using the cost per sale(clickbank/paydotcom) and ppc networks(adwords,etc).,..would like to try out a test campaign CPA wise in a CPA network..how do i go about it?which ones have lesser barriers of entry cost wise?do not want to put up 5 figures one shot,but if there are CPA networks that allow smaller test campaigns,i would be willing to advertise with them..any suggestions?