Sign up for a Cox StraightUp Internet Plan for $50 per month, and get a free modem rental and a no-increase guarantee for three years with the plan. There are no annual contracts, no hidden fees, and no credit checks, but you prepay for the internet service at the beginning of each month. The download speed is 25 Mbps per second, which is enough to stream multiple devices at the same time. Subscribers receive one terabyte of internet each month. Taxes may apply.