Amazon Sweepstake

Traffic sources:
display, mobile, social, push, native, contextual, pop, text, search, interstitial, toolbar.

The following types of traffic aren’t allowed and must therefore be excluded:
incent, cashback, content locking, geo redirect, offer walls, reward or loyalty programs, EMAIL, SMS, MMS, iframe, co-sponsoring, co-Registration, exit traffic, (3rd party) smart-links nor the re-brokering to affiliate platforms or networks (offering the campaign via other affiliate companies).

TIP:
in order to increase the quality of the convertions, top partners try to target a more "mature" audience .. usually over 30 respond better