Here’s a cheap solution, and you’ll learn something building it:
https://www.instructables.com/id/Share-WiFi-With-Ethernet-Port-on-a-Raspberry-Pi/
The nice thing about the Pi is that it's dual band WiFi compatible.
https://www.instructables.com/id/Share-WiFi-With-Ethernet-Port-on-a-Raspberry-Pi/
The nice thing about the Pi is that it's dual band WiFi compatible.