If you’re starting a new cellphone plan, most major mobile carriers require a multiyear commitment, so it’s a big decision you need to consider carefully. First, think about the plan and provider itself: What’s the best coverage in your area...

Wouldn’t it be nice to have one of your monthly expenses remain stable for a while? Phone plans seem tumultuous recently, which is why T-Mobile’s five-year price guarantee with new Experience plans was such a surprise when it was announced...