Consider Carpooling. With gas prices expected to increase to $4.00/gallon by the summer, it would definitely be E.I. of you to consider joining a carpool to work. Joining a carpool can save you hundreds of dollars a month. If there is currently no carpool organized at your job, take the initiative to start one. Starting a carpool can be the difference between good financial health and bad financial health. In these tough economic times, sacrifice is the key to financial victory.