First, make sure you have a Neteller account to begin with. This Neteller account needs to be linked to either a debit card, credit card, or bank. Then you need to navigate to the cashier section of the online betting site or casino, and when it comes to depositing, choose Neteller as your preferred way to pay. Enter the amount you wish to deposit into the casino account, then confirm. Then all you have to do is wait for the credit to be transferred to your casino account so you can play.