Hey 50$ for 3TB is 0.016 per GB. Still cheaper than the 0.02 AWS EC2 egress fees! Oh there is also the 120$ base price. 170$ for 3 TB is 0.055 per GB. Still cheaper than the 0.085 Cloudfront egress fee.
Facts! Also, they threaten so that you reduce your utilization. Just ignore them. When they do cut you off, get back to us from your local library's public Internet access.