Abstract: A method for reserving funds to pay an estimated tax or other financial obligation includes receiving by a service provider of financial information from a customer and transferring funds from a customer monetary source to a set-aside account, where the monetary source and/or the set-aside account is a stored value account. In embodiments, the customer can access the set-aside money if needed before it is used to pay the obligation. The set-aside account can be a stored value card provided to the customer and usable in lieu of a bank card. Stored value cards can be visibly distinct according to which of a plurality of obligations they apply. Or the set-aside account can be a stored value account maintained by the service provider as information in a database. Set-aside funds can be transferred automatically and/or electronically, or provided by the customer as cash or cash equivalents.