Amazon has the eero Pro WiFi System (Pack of 3) for $439.99 (regularly $499) with Free Shipping for a limited time.

eero is the world’s first home WiFi system. A set of three eeros covers the typical home. They work in perfect unison to deliver hyper-fast, super-stable WiFi to every square foot. It’s simple to set up. Easy to manage. And gets better over time with new features and improved performance. The 2nd generation eero has two auto-detecting Ethernet ports that allow you to connect to your modem and any other device (like an Ethernet switch or printer) and an addition of a third 5Ghz radio (tri-band) for twice as fast as its predecessor, which lets you do more, simultaneously, in every room of your home.