The neccesary means, often the financial means.
Fry- I'm pretty sure I didn't do it; I just don't have the wherewithall to defend myself.
ayon kay Grant P ika-06 ng Marso, 2007
See wherewithal (in any standard dictionary)
I didn't have the wherewithall (sic) to pay for dinner.
ayon kay b0mbrman ika-04 ng Nobyembre, 2007