Hi harikanduri01,
you will get commissions for 'clicks,tasks,offers,Advertisement purchases,premium membership purchase' from your LEVEL 1 referrals i.e, from your friend
and from your friend's friend onwards you will only get $1 if any member get upgrades(LEVEL 2 to LEVEL 8--> given that your a premium member)
if you are not a premium member you wont earn any commission from your level2 to level8 referrals.