Keeps logging out

Every time I try to log in, the page immediately refreshes and logs me out. I’m trying to set up a new service account, and all these tech issues just with the website are making me question whether this is a good idea or if I should look for a different ISP? 

Before the canned answer, I’ve already cleared my cache, tried different browsers, different devices, incognito mode, and checked all other aspects of my wifi connection.  If I can’t even log into the website, should I even go forward with purchasing this service?