It was so easy a few months ago, in fact i discovered it by a mistake on my end, not really trying to do it.
So I was there in some markets for like 4 months and it was bringing around 200 new deposit players per month (cost was also high, a few thousand € per month and took some time to get it back on revshare, but yes, ended being really profitable and still get a good amount or revshare money from those players), but then i received a warning and my campaigns were deleted (my account is still active) so i have not tried again, as i’m sure my account is flagged and they will be looking for it.
I guess i could try again with a new account under a different name, credit card, different PC, different IP, etc but too much hassle and i doubt it will work on the same way i did it, as in fact i see way less advertisers now, seems most of us were caught and stopped with it, as i used to see like 10 other guys doing it for the same markets i did.