Mint SIM Sells Wildly Cheap Cell-Phone Plans — If You Prepay

Finding cheap cell-phone plans appeals to me in the same way some people get into extreme couponing. I’ve been pretty happy using Project Fi, Google’s cell-phone-service plan that piggybacks on T-Mobile, Sprint, and U.S. Cellular. Project Fi starts at …

Finding cheap cell-phone plans appeals to me in the same way some people get into extreme couponing. I’ve been pretty happy using Project Fi, Google’s cell-phone-service plan that piggybacks on T-Mobile, Sprint, and U.S. Cellular. Project Fi starts at ...