Corporate Complaint

My service is poor, connectivity is poor and I am paying for one of the highest gig plans at almost $300 a month - which is being offered for $50 a month for new customers. They have replaced the outside lines, inside cabling, two new modems and now I had to go buy extenders on my own. That does not include multiple tech visits and chats. I have been working from home since 2020 with no issues like this. So there is no problem with my location. The representatives that have assisted me are helpful, I am not being given the gig speed promised and what I am paying for. Considering a complaint with the FCC and department of consumer affairs for California at this point. I believe that the speed and service I am paying for is metered or so unreliable that it is untrue what Xfintiy is saying it will provide in terms of my agreement and zero accountability from my store visits or tech calls. In fact - I am super kind despite my frustration. I feel I am being taken advantage of. Not even an offer of a credit or better plan only - let us know if you want to cancel - WHERE is the customer loyalty service and care?