If anyone else has FiOS and use the router required by VZ, at least some of them do not work with more than a couple devices. The one I needed comes with a tiny NAT table so when there are several devices connected it gets overloaded. I put my own router behind it and just pass everything through. An FYI in case anyone runs into that.

I don't recall if this is the exact model but this is the type available for me when I had setup FiOS several years ago. It's an actiontec model of some sort. It's not just me describing the issues with this particular router. I helped a friend with their home setup since they had this as well. Found a guide online on how to setup bridge mode as it's a common problem. Only a few devices were able reliablly connect for me.
https://www.amazon.com/Verizon-Router-Actiontec-MI424WR-Rev/dp/B00QGDLA5Y

Maybe the quantum gateway version is better.

At one point I had that VZ router setup in bridge mode only so it just passed everything through to my own router. Then magically one day it didn't work at all after VZ changed something on their end. Said they couldn't connect to it in bridge mode and they refused to work on it. So now its a router with Wifi off routing all traffic to my own router and reassigns IPs to my devices. It's basically just getting the FiOS TV menu info and wasting my electricity.

I have quite a few as well. 6 boinc only Android WiFi devices, iPhone, Nest Thermostat and 2 Smoke Alarms, 5 PCs, RPi plus when they are on a TV, PS3, Receiver, Chromecast, Fire TV. That Actiontec couldn't handle even the Android devices.

I think I have the coax going to the router and the STB. FiOS was installed after my townhouse was built so there was only coax going to each room (until I ran some ethernet). I don't like how the Guide is so slow compared to standard cable like Comcost/Cox/TW that I've had in the past. I had thought it was due to the menu info coming over ethernet vs all coax of cable companies.

Do the phones support quick charging? I run power charging hubs similar to this one and never had any problems. Although, I have never had any octo phones to charge on them.

I got my two new phones from tracfone yesterday. I was disappointed to see they have non-removable batteries. I set to work gutting the first one. I successfully removed the battery and its connector to the phone. I tried several different ways to power the phone direct from USB, but none worked. At one point I had power to the phone, it turned on, then as it was booting up it shut down. I haven't been able to revive it yet. Good thing it was only 5 bucks.

Not sure if I will run the other one, as I prefer to find the phones that have removable batteries and can power on without them. Takes overheating batteries out of the equation for me.

As a rule of thumb, my advice is whatever power supply you buy, try to make sure that you are using it at around 50% of total "advertised" power output.
Try to buy something with ... at least 2A on average on port. There are some 10 port 100W power supplies, I might have seen one with 120W. If you are under-powered, try to reduce the CPU utilization from 100% to lower, or better, root and under-clock cpu frequency to get higher CPU Time / Elapsed Time

I was thinking about the quads (if you buy them for 4$) and they are economically feasible to run.
Conservative scenario:
In a year you have 8765 hours, assuming 3W power draw and 30cent/kWh which is around 8 dollars per year running cost. Unless you go solar and you are a ... cheater.
Also 4 cores should have more thermal headroom as 8 cores

Still hoping for 10 core phones under 50$ in the next 6 months

@joneill003/Coleslaw
I have linked some info back to you in my instructable, unless you do have some time and you can make/post a similar instructable for... documentation purposes :)