outbound packet loss

I had perfect internet for about a year, then slowly I started getting packet loss. Now for about a year I have been dealing with it. I have tried replacing my modem, my ethernet cable, and the coax cable, and the ISP company (Cox) even replaced the lines. I've been dealing with this for over a...

I have been PLAGUED with this outbound packet loss issue for as long as I can remember. As for solutions: I have accumulated days in google searches, youtube videos, forum posts, hardware changes, service technicians out, pings, tracerts; anything you can think of. Nothing I've done so far has...