I have a stack of Vanilla Visas each with a remaining balance under $10, ever since I started getting declines when using the full amount. Any suggestions on how to best drain them? It would be much easier if there was some way to register a name and billing address...

I've noticed many newer self check-out kiosks (like Walmart and Whole Foods) now have options to do partial payments, but is there a limit? Say, 4 x splits per transaction? I'm talking about buying actual merchandise - not money orders, gift cards, etc.