With a 1-year service agreement, AT&T offers its AT&T Internet 100 service with a $50 AT&T Visa Reward Card for $50 per month. (Select this offer in the top scrolling banner; the price drops to $40 per month if you bundle additional qualifying AT&T services. A 12-month term is required.) It includes up to 1TB of data per month. (Plan prices may vary by location.)