Not much ... properly packaged, you could possibly flip it to some ClickBank guru type for $100-$200.
The meaning of the domain is a little obtuse and would only "speak" to people who are thinking about making money, eg. the people who subscribe to guru mailing lists and buy ebooks and that kind of thing. So for someone like Mike Filsaime (only one whose name leaps to mind) coming out with his new site SixFig.com it would resonate ... but outside of that niche hard to think of any application or value at all.
It does have the benefit of being super short, easy to remember, has a nice cadence when spoken out loud, etc. I just don't think that those points add much weight to the value vs. the narrow market and the fact that it's more a "brandable" than a keyword.
Frank