You can only deduct travel and living expenses if you are travelling to a temporary assignment or job site. Otherwise, your regular place of business (where you earn your money) is considered your "tax home" and you can't deduct travel to and from your tax home to your actual home.
You must determine whether your assignment is temporary or indefinite when you start work. If you expect an assignment or job to last for 1 year or less, it is temporary unless there are facts and circumstances that indicate otherwise. An assignment or job that is initially temporary may become indefinite due to changed circumstances. A series of assignments to the same location, all for short periods but that together cover a long period, may be considered an indefinite assignment.
Please see this link for more information:
https://www.irs.gov/publications/p463/ch01.html#en_US_2015_publink100033764
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