No, you don't need to sign up for Express Checkout or register for Yahoo! Wallet to purchase any of the add-on items in Fantasy Basketball.

If you don't have a Yahoo! Wallet account, you can sign up during the purchase or go to the Yahoo! Wallet web site and sign up now. Simply follow the instructions and fill out the forms, and you'll be able to make purchases across all of Yahoo! using your Yahoo! Wallet.

If you want to use the Express Checkout service, simply check the registration box during purchase and your information is stored for later use.

If you don't have a credit card (or a debit card with a Visa or MasterCard logo), unfortunately you cannot purchase any add-ons in Fantasy Basketball at this time.