a) doing IT for 20 years and the most I'd trust NetGear is for simple layer2 switch. nothing more complicated than that. their software is terrible.
sounds like you're looking for a good wifi router and have a need for solid wifi at least on two floors.
In this case, I highly recommend you to take a look at WiFi mesh systems like Google WiFi, Eero, Amplifi HD, Synology.
The single no matter how expensive a single router would never be as good as the mesh system.
I can't fully recommend any of these since I don't have direct experience, other than 1 particular client who originally had these (since he needed something easy - very remote location) they originally worked, but eventually were replaced with professionally installed Ruckus system. Anecdotical evidence is two of my ex-colleagues (both very senior IT engineers) bough Google WiFi.
I rock 3x smb level Wifi access point by Ubiquiti - Uni UAP-AC-Pro. These are in between in complexity between consumer-grade mesh and stuff like Ruckus/Cisco. After these, I will never go back to consumer Wifi stuff like Asus etc..
Some weekend reading:
When I was young -- in high school or so -- my sister and I had a system worked out. Our Comcast cable internet service routinely seemed to flake out, so she and I would take turns running downstairs to the router, unplugging it, waiting for what felt like the most torturous 30 seconds possible...
www.engadget.com
Eero’s Wi-Fi is great—but its Alexa integration is truly horrible.
arstechnica.com
Wi-Fi is like real estate—the secret is location, location, location.
arstechnica.com
Nest Wi-Fi’s strength is doing many things well, not doing one thing the best.
arstechnica.com
Amplifi Alien’s specs look pretty good, but $380 is a lot to ask for a router.
arstechnica.com
Hands-on with the company’s 2.0 pod—speeds are great; subscriptions may be involved.
arstechnica.com
If a normal router can’t provide reliable wireless access to every corner of your home, mesh systems should help you work from home and stream games and movies without a hitch.
thewirecutter.com