Sara Rathner is a NerdWallet travel and credit cards expert. She has appeared on the “Today” show and CNBC’s “Nightly Business Report,” and has been quoted in The New York Times, The Washington Post, ...

We're keeping a living log of every Shift code as it comes in, as well as its reported expiration, and the occasional permanent code (our faves). There's usually at least a few codes going around that ...