I'm sure that the people who know your publishing history already understand that vanity presses can be expensive, and how you probably lost your shirt on optimistic runs.
There's no shame in being broke, Jack, but I hope you strike it rich enough with the next one that you can spring for that three dollar donation they're asking for.
That would require a profit, of course.
Hey - maybe you could ask some of the writers over at BTC news for some pointers? I'm sure they'd be glad to help, and equally sure you could use some.