pecuniary: \pi-ˈkyü-nē-ˌer-ē\

relating to or pertaining to money.

The memorandum of understanding was signed on pecuniary advantage.

parsimony:: \ˈpär-sə-ˌmō-nē\

the fact of being extremely unwilling to spend money

People who are parsimonious should understand that penny wise can be pound foolish.