Please help!!!!

I've been fighting with Comcast for the last month since I moved. My internet worked for 5 years no issues and soon as I move the internet drops in and out all day long. I can't work from home anymore I tried five different chat Associates and every one of them only wants to upgrade me and will not fix my internet.

I just got off chat after buying a $350 modem and asking them to fix it and telling them I do not want to upgrade. The fifth associate I've talked to still ignored me and tried to get me to upgrade by asking if I wanted to use my own modem. She wanted me to say yes so she could say you want to upgrade but instead I said I already used my own modem and she still tried to upgrade me. Right after I got off with this associate my internet stopped working again. This is ridiculous and Comcast keeps cutting my signal for some reason until I upgrade. I can't find anybody to help me at Comcast as they all try to upgrade me and nobody will fix the issue until I upgrade which is ridiculous. I've been with Comcast for 18 plus years and if there was another choice I'd leave in a second. It's really sad what they're doing to people as I depend on the internet to work from home and I can't anymore it's really sad. I even tried to order a modem from them and she said it was ordered and hung up on me on the chat and it's been two plus weeks no modem was ordered. They also tried to give me a 42-cent discount. Someone please help from or get me someone high up in comcast!!! I have the screen shots to prove what they are doing to me.