Be very wary of any company offering huge amounts of service for low fees... 3TB transfer for $9/month is something I'd consider a warning sign of rampant overselling. 350 GB of disk space makes the offering even more suspect (there is no way any company could afford to actually provide that much space and bandwidth for the listed $5/month on the site). Make sure to do ample research of any host on sites such as
Webhosting Talk for complaints and issues with service before signing up with anyone. The adage "you get what you pay for" is extremely true in the world of web hosting.