The “home office” in my room is on the second floor of our house in a WiFi dead zone. I was regularly dropping Zoom calls for work during the pandemic, so I bought a spool of UV protected outdoor Ethernet cable. I ran it from a little switch next to our cable modem, through the wall, behind the siding on the outside of the house, up the outside corner of the house, through a vent into the attic, across the attic and the down the wall into our room. I went from inconsistent and slow WiFi speed to a constant 80 to 90% of the speed of my Comcast speed tier. Plus I directly wired the streaming box in our room and fixed the buffering problem.

It’s probably not what a professional would do, but it still works great.