For me all situation is completely stange How come you know 2 people who just started to make a registration and one is a withness.
So , you just tested them cookies duration and if you know such sensitive information about the amount of deposit it is a definite breach with the T&C's of any bookies or casino. By submitting this you might get your account closed.
Due to such practices maney aff prrograms strained and made everything more strict.
@ Aussie Dave - I have to agree with you that it is CPA Frud situation, stimulating players to deposit big, get some percentage of their deposit back and if the cookies last 2 week and player clicked afterwards on another site - **** happens.
Advise form a former punter, @ casinozentrum - making arbitrage or hedge bets will make your life easier. 
Also Wild Affiliates are very regular at Conferences, get straight to their stand and speak clear...
Seven times fall, eight times stand.