Dont try to pull financial scams on TDYs and PCSs. This is not the kind of thing you wanna start doing ever, let alone as a brand new Amn or Lt. That's what dirtbags do.
I sold my body to fat chicks on the weekends.
In all seriousness, @brabus is spot on with keeping the flying consistent. If that means taking a loan, do it intelligently. You can't effectively learn while only flying once a month.