For years, my family had a bundled package with Verizon Fios that included cable, VOIP and internet. But as my family’s watching habits turned to streaming, it was rare when we turned on the cable box ...

I used to blame my internet provider for sluggish speeds—until I realized the problem was right in my living room. After making a few simple adjustments, my internet went from frustrating to fast.

Guest networks are surprisingly useful.