It's almost impossible to get ahead financially unless you save a significant chunk of your income—ideally, $1 of every $3 you earn. But many people get tripped up by their housing costs. Traditionally, financial advisors have encouraged buyers to spend about one-third of their income on housing. But for many people, especially anyone with student loan debts, child care payments, or other hefty expenses, that's too much money.
Skimping on career investments.