While turning https on, order process stopped working with the message:  “Sorry, your session has expired. Return to the home page.” 

A decade ago choosing the hoster from the point of view of the database was simple. You just needed to find the offer with PostgreSQL. MySQL was fast and popular, but these were all its pros. 

We log-in on the web site. The system checks what grants our account has and sets appropriate session variables. Since then we have (or have not) access to the various functions and information. Doesn't such procedure look familiar to you? 

Banner blindness is a well reckognized phenomena. Even though it is being associated with a laboratory and a sophisticated eye-tracking system, it sometimes can be found in a wild. 

It is good to know not only how much, but also for what you pay. Tons of offers and marketing departments creativity do not make the issue clear. Let's try to order it for ourselves in a short and simple way.