The available hosted space and storage for your site

This storage space will determine a lot of things , if you decide on day to upload video files or any other kind of media , or if you want to make your site as a music archive or a programs download center,  the storage space will affect that, the average storage in almost of companies is UNLIMITED , so don't accept anything less than that.
In some companies you may read this " UNLIMITED STORAGE SPACE ..bla bla bla ",  How to know if this is real ? , In the well known companies which have at least 500,000 of sites hosted on it, the service should be pretty good and honest, there is no guarantee , but you have to learn form the others experiences.