If you pick a large online bingo that has been around for several years, and has a good reputation, then it should also be a reputable bingo site with reliable payouts. A bad reputation spreads fast on the Internet, so any bingo site that scams it's members will get a bad reputation quite quickly. That doesn't mean that smaller bingo sites are all scams, most of them are ok, but there are a few smaller bingo sites that may not pay all of your winnings.

Visit the banking page or FAQ and read how you can deposit money. Solid bingo sites offer usually not less than 5-10 payment options (i.e. Visa, Mastercard, Neteller, Prepaid ATM, check, wire transfer, Firepay, etc).

Does casino provide phone support ? 24/7 ?