We have upgraded many homes with a great WiFi solution from Netgear called Orbi. Orbi uses a primary Router and additional Satellites to help propagate the signal throughout your home. It creates a much better solution than using extenders or the Cable Modem WiFi. These Mesh routers provide great WiFi signal and work not only in average size homes but also large homes. I have installed Orbi in many homes that have 5000-6500 sq feet of living space. We can also replace your Comcast Cable Modem which will save you $11/month so the Return on Investment is typically less than a year. Contact us today and we will vastly improve your WiFi as there is no reason to NOT have great WiFi.