Depends on what you want to do with the internet. I've found Cox to be very dependable for my needs (work from home). Start with the lowest package and increase if you need extra speed. All you need to do to change packages is to call or go online. Takes a few minutes. If you don't rent their cable modem, make sure you get an approved DOCSIS 3.1 to get the best performance.
No clue here.
That's a question best answered by customer service at the Cox store.
Not Cox, too expensive
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