MBPs have been slow for days, cannot get through to a live person

I need to fix my Internet. I have been running at 2-4 MBPs for days. Called my router company, Eero, they said everything looks fine on their end and I need to call xfinity. I've already restarted my modem many, many many times, every time I call Xfinity, the robot voice just tells me to restart the modem again. I need to speak to a actual real live person. I'm starting to get really [Edited: "Language"].