I got tired of the performance and inconsistency of my 'high end' residential setup and recently bought/installed a DreamMachine. Already had a Unifi nanoHD AP, and added one more to the opposite side of the house. This setup has been running for a couple months, but so far has been the most consistent and reliable setup we've had. Good management and security tools, decent UI/UX for the controller. I'd do it again in a heartbeat, and wish I went with this (or similar) setup a long time ago. It costs more than what a residential setup costs, but not more than the 3 or 4 setups I've tried over the last 4 years. If you can swing the higher entry price, I feel that it's worth it. It's simply a superior experience in every way for us (meaning: there is no experience for the household - things work and I don't have to fuss with it unless I want to).

Absolutely recommend this too. You can also buy an edgerouter from Ubiquiti for maybe $50 for the gateway/routing/switching, and then spread a couple of the Unifi access points around your house for the WiFi. I did that since I balked a bit at the cost of the dream machine. This would be way more powerful (the edgerouter has a lot of advanced features) and reliable (access points in high use areas) than a high-end consumer WiFi router at the same cost. And the mobile apps + dashboard are super nice.