Beginning Wednesday, February 13th T-Mobile will offer a promotional family plan add-a-line option with $0 Value and $5 Classic add-a-line offers. This add-a-line promotion represents a $5 savings each month until January 2nd of next year. Existing customers can take advantage of this opportunity by switching to the Classic or Value family promo rate plan, which does come with a contract extension however. The $5/$0 add-a-line offer is available on shared limited bucket … [read full article]