The Betfair Exchange allows customers to bet against each other rather than betting against a traditional bookmaker. By matching customers, rather than taking the risk itself, the Exchange gives bettors the option to 'lay' (betting on something not to happen).
Log in and click on either the 'Deposit' button in the header, or navigate to 'My Account'. Click on 'Deposit' and select Neteller from the menu. Enter the amount you wish to deposit , your Neteller account ID, your secure ID, and your Betfair password. Click on the 'send' button.