Depends on what kind of offers you're doing. If you do the offers that are not free and do the paid ones, you can be banned for chargeback because you somehow completed the offer without purchasing the product. All in the matters its fradulent behavior. It's basically breaking their terms and services, or rules. Do free offers, never do paid ones. Also you can will never be banned for using an IP Hider to do offers - unless like said, you do paid offers. Offers without money involved are the good ones.