This is an animated video that explains the difference between a hub, switch, and a router. It explains how a router works, how a switch works and how a hub works.
This is the modem/router that I personally use (affiliate) https://amzn.to/2Ng9vsp
Router recommendation (affiliate) https://amzn.to/2Jv577C – This is a wifi router with a built-in switch that I recommend.
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