Customer Service Help

I have tried for hours and hours over weeks and have gotten nowhere.  I’m not the type of person who complains, I usually just take my business elsewhere and move on.  If I get dinner someone, they didn’t cook it correctly, etc… I don’t say anything usually, I just move on with my life.  That been said, in my 50 years, I have never experienced worse customer service than Xfinity support in my life.  Honestly, it’s that bad.  Example: I’m currently in a support chat for 35 minutes and we’ve gone as far as having me confirm a 6 digit code.  The calls and chats with AI are exhausting and ineffective.  The inability to connect with a real person is mind blowing.  I pay for the fastest fiber internet available and cannot get any help when they’ve failed to deliver the service I pay for.  My internet drops every 5-10 minutes.  I understand that outages or issues arise.  That’s not the problem. The problem is the lack of support, response and basic lack of common courtesy to a loyal paying customer.

After hours, I was finally able to have AI set an appointment for a tech to come to my home 4 days later.  The next morning, I got a text saying they cancelled the appt. I have no idea why, I certainly did not.  
(*update* I’m still on the chat with support currently and it’s been 14 minutes since I got a response)

I have no idea what to do here, it’s actually incredible.  I know for a fact that most/all of you have been through similar experiences.  Does anyone have a magic phone number I can call with an Xfinity employee that cares at all?