Worst mobile service and tech support EVER!!

I am having phone service issues that have been ongoing for over a month. Repeated requests to reset network and install new esims have all been to no avail. Just wish there was a way to communicate with someone other than tier one script readers. When I am home I have NO service. One bar on cellular service if I'm lucky. Unable to use wifi calling even though I have full signal strength on wifi. Funny thing I traveled to Delaware last week and the phone worked perfectly on cellular and wifi when cell service was spotty. Come back home and it's the same old [Edited: "Language"], no service. Chat online with "support" because I can't call them, and all they want to do is upsell me to a new plan. Why [Edited: "Language"] would I consider that when they can't resolve the issues I'm having now. I am seriously considering scrapping all of my xfinity services and going back to verizon.