Take All of Your Vacation Days
"The year has just begun and chances are you already need a break. Yet in 2015, more than half of Americans hadn't used up all of their vacation days by the end of he year. While you may hope that sacrificing a beachy getaway could earn you Employee of the Month status, studies show that having unused vacation days makes you less likely to get a raise or a bonus. So force yourself to sip cocktails on that longer (as awful as that sounds) and you may just come back to a bigger paycheck.