By Dan Weil People working from home may be fed up with their expenses, but a study says they’re saving money. Those of you working from home may think you’re getting the short end of the stick because of all the home-office expenses that you face. But you actually have it better financially than those of who have returned to their traditional work quarters, according to a study by Owl Labs, a meeting technology company. Its survey of 2,300-plus full-time employees showed that 28% think they should be paid more to work remotely. But workers spend about twice as much money working at the office…