Frontier Communications FIOS Over billed constantly and prorated charges not revealed Tampa Florida

I started service with this company and it had to include a package of internet and home phone for $75. I later deleted the phone as I have no wiring for a home phone. They prorated that change without telling me so my next bill was $150.Then they said since my service changed my regular bill will be $99.99 also without telling me. Then I asked for a discount on the internet charges and was told I could bring it down to $84.99 but because I now knew they prorate any changes to your account, based on your billing  cycle I was told I could change it on 11/6/17. On 11/5 I tried to change it and was told my billing cycle is now starting on the 14th of the month. So I would have had a prorate charge for changing the terms of the contract - which I never received so now I have to waste more time and wait until the 14th. I don't trust them enough now and suspect my billing cycle will change again so I won't be able to get the price they promised. I've had them for 4 months, and they never revealed the prorated costs, that a different plan with the change will cost more the originally agreed, nor do I know what my billing cycle is. They are just wasting my time and on top of that, I've screen captured all these chats but when I'm  on chat they don't even have the technology for me to upload this documentation and show the price they promised and how they keep changing the dates for me to get the price they promised.

Additionally, the box they installed outside states on the box that it should not be installed outside. It barely made it through Hurricane Irma, getting filled with water and even finding a fron in it.