Online Gambling Bingo remains incomplete without Online Banking Methods. Here are a few info on banking methods. I found the info really helpful and thought of sharing with you.

Debit Cards
This is the most popular way online bingo players fund their accounts as it is fast, safe and easy. Most online bingo sites accept Solo, Maestro/Switch/Delta and Visa Electron debit cards. Register at your favorite online bingo website, go to the banking area and follow the instructions.
Credit Cards
A majority of online bingo websites accept credit cards including Visa and MasterCard. Register as a member of your chosen site and proceed to the banking area to make your deposit.
Some credit card companies class your bingo purchases as a cash advance, thereby applying a higher interest rate. Companies that charge a higher rate for your purchases are Morgan Stanley, HSBS, Egg, Lloyds TSB, Bank of Scotland, Halifax, NatWest, MBNA and RBS. To avoid the charges, you can use a debit card or Neteller service.
Click2Pay
Here is an ideal option for those who don't like entering their credit/debit card details into online bingo sites. Once you have opened your Click2Pay account and submitted your details, you can use your the system using your Click2Pay account number. This means the bingo sites do not hold your banking details, thus making Click2Pay a safe payment option.

Source: onlinegamblingbingo.co.uk