The good an cheap internet is one reason that makes romanians proud. You can get 940 Mbps down, 450 Mbps up for about $9/month (included in the price is also 50 GB cloud storage in their Google Drive type of service) [0]
For internet on your smartphone you have an option of ~ 2$/month for 50 GB, 4G speeds [1] You can check the coverage here [2]