I like the revshare model, semes more fair. There's also cpa and hybrid version, just straight-up more baseline payments (revshare seems to work out better for me though). Payouts are frequent, the UI they built to show me my referrals is actually very good. Every time I post new link, I see how its doing, and what revenue I can expect to earn. They've done a lot of good things here, only thing is, for cpa the minimum payouts were $500, last I checked, so if you don't expect to referral much, I just went for rev share, just seems safer.