Become a Wi-Fi wizard — from advisorator.com by Jared Newman; or see this page

Excerpt:

Wi-Fi is fundamentally at odds, then, with my desire to answer questions with specific recommendations. The best I can do is walk you through how I diagnose Wi-Fi problems myself. That way, you can make better decisions on whether (and how) to upgrade your own gear.

In this guide:

  • Size up the problem
  • Know your router
  • Try some smaller fixes
  • Extenders: a last resort
  • Picking a new Wi-Fi router
  • Deciphering Wi-Fi jargon