Sentence:  Good2cu figures he can budget $50,000—around 25 percent of his net worth—for a new set of wheels, although a <WSD>nittier</WSD> recess of his poker mind knows that buying new is for suckers. Cars lose a significant portion of their value the moment you drive them off the lot. 
Meaning of the word marked with <WSD> tags:  Of a poker player: playing in an overly cautious and reactive manner.