Tip - Using Arris bridged as modem and my own router - Slow speeds

Hoping someone has some advice on this. Here is my situation (TL;DR further below):   So I live in Round Rock, Texas and was part of the TWC speed increase as they're most likely looking to compete with AT&T and Google as they begin rolling out their gigabit networks. My Extreme package was upgraded...
Tags: Internet, High Speed, Road Runner