Credit cards in the UK will typically offer 0% interest on a balance transfer for 6–12 months for newly opened credit card accounts. Credit cards in the United States have similar offers. In both countries, credit cards may also offer a similar period in which purchases made with the card do not incur interest.
A "stoozer" will take advantage of the time in which there are no interest payments due on the loan by transferring their new credit card limit into a savings account rather than paying off an existing debt. This is done by making a "balance transfer", which is usually taken to mean a payment made by the credit card issuer to a third-party on behalf of a borrower in settlement of a debt (the balance to be transferred) that the borrower has with that third party. However, a stoozer typically has no indebtedness, so any payment made on their behalf can be used to preserve their savings account balances elsewhere at no (or low) interest cost to them. Several devices exist to maintain (and indirectly build) saving account balances in this manner: