Internet speed

I run a speedtest and get 30 megabytes per second. I call and complain and it goes back up to anywhere from 100 to 110 which is suffice. It's what I pay for, I'm happy. But, then shortly after within an hour it drops back down again I go anywhere from 25 to 30 megabytes per second again. Why ?

This conversation is no longer open for comments or replies and is no longer visible to community members.