We slice and dice the plans, phones and fine print at each major U.S. carrier to come up with 23 reasons you might choose one carrier over another.
Verizon, Sprint and T-Mobile do not offer a rollover plan for monthly minutes allowed. Use them or lose them.
AT&T has the Rollover Minutes plan for some individual and family talk plans that roll over for up to 12 billing periods. They've made a lot of hay about this in their commercials.
So this one is easy.