This is the beginner plan which I found in the site. Here could someone tell what they mean by "tier-2" commission? I'm coming across this word "tier" more often in such affiliate programs, but I couldn't figure out what it is.

Beginner plans
* Base price with 30% revenue share
* 10% tier-2 comission
* Promote the best sale converting our Online pharmacy
* Use a huge variety of tested,constantly updated promo tools that get results
* VISA, AMEX, ACH Payment options

Super Affilates

* Required to make 300 sales per month minimum
* Free Online shop with domain
* Change the pricing from -10% to +50%
* 40% revenue share
* Set your own price
* VISA, AMEX, ACH Payment options
* Order can be viewd in real tim

Franchise
* License Required to Join
* Free Online shop with domain
* Base price with 50% revenue share
* WU, Wire transfer and credit cards accepted
* Order can be viewd in real time