Do they make an "off the shelf" Zigbee or Z-Wave Device that has > 10 logic inputs/outputs that can be used with Hubitat Elevation C7? Please no Arduino unless it is "off the shelf" user friendly.
No.
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For an enterprising person that comes up with this solution --->>$$$$$$$$$$$$$$$$$
That many I/O seems more in the realm of a Programmable Logic Controller (PLC). I know some of the Automation Direct offerings in that space have MQTT capabilities. What I don't know is if and how Hubitat can handle MQTT to use a PLC as the I/O collection.
There are some offerings that will work with MQTT if that is within your comfort area.
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Is there a reason you can't get along w/two that do five in/out? In case someone here may know of something in that potentially more reasonable range...
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What is the intended use case?
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Countless applications include:
Remote lighting control
Remote security
Remote status/reporting annunciation
Having I/O clustered in one location will save a lot of money.
Using just "one bit" like an outlet/switch cost between $9 to $20
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Even 5 I/O would be great 
Using a PLC (programmable logic controller) is overkill and not cost effective.
Maybe Hubitat could break out some I/O from their ARM processor for a DIY experimental hub?
They sure will make money - I have my checkbook/MC/Visa on standby.
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Good...you might want to update your OP and thread title - that may get you more interest/responses assuming there are more devices known by users in that range.
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But it would increase the complexity of designing and wiring up a system to take advantage of such a capability.
Assuming we’re talking about the general consumer market for home automation. Most people can understand how to connect a smart outlet, or even an in-wall switch.
To add a centralized multi-I/O device into the mix, you’re kinda jumping into hobbyist/enthusiast territory anyway, even if the device itself didn’t need to be cobbled together from several individual parts.
So I don’t think the market for it is as gigantic as you’re making it out to be.
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I hate central wiring for lighting with a passion. There are a number of systems that do it that way, and it's all nice and fine until your automation system doesn't work for whatever reason. Then you can't even turn on the lights properly.
It's been done, and it sucks.
And if you're still going to put in the wall switches hard wired as a backup to return around that, then you increase wiring cost not reduced it.
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I was just going to suggest the same thing. While I think it's a horrible idea, it would actually be trivially easy to do with an Arduino (or a few), a few relays (there are a number of 8 to 16 pre-made relay boards), and hubduino.
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Pico remotes are dirt cheap, and are excellent for lighting control. They have table stands, wall mounts that don't require a box, or you can just place them about the house.
Yea, but then you are stringing wires everywhere. And copper isn't cheap, and it looks like a half-■■■ mess of spaghetti. In many houses you wouldn't be able to reach across the house, or the voltage drop would be so bad that it wouldn't work as you envision. There is a reason that battery remotes are a thing.
I will just point out that Hubitat does not endorse using the hub as a security device. If you want a central alarm system, they make panels to accept hardwired door and window sensors and tested/certified as a security device.
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Agreed...I would say you can use HE for a "security blanket" but I would never rely on HE or SmartThings, Vera, etc., for true home security. Too many devices on battery, too many opportunities for things to not always work as expected.
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Even changing the I/O from > 10 down to > 5 there are still no viable solutions using Zigbee or
Z-Wave from HE?
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The Zooz Zen17 has multiple inputs and outputs, but nowhere near 10.
Once you have multiple independent inputs and independent outputs, the price goes up significantly, and the device availability goes downward. There just isn't much of a market for 10 or even 5 I/O like this. Like others have mentioned, this is getting into DIY territory.
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With rudimentary programming skills it would be very easy to make one with a zwave.me z-uno2 and a relay board.
Standard Z-Wave communication, and supported by pretty much any Z-Wave controller.
So, I guess it depends on how ambitious you are. But it is doable.
Would be doable in zigbee too, as there are a number of make your own zigbee kits out there.
I don't know of any pre-made off the shelf items like this though. There simply isn't demand for it.
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Yup, I was thinking about Andy Haas' MonaLisa board.
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