CTMatthew

95% + of all complaints like this that I've ever heard are fixed by one or more of these 3 things :
1.  Some improvements to the strength/reliability of the zigbee network.  Control4 relies on zigbee communication between devices - for example between a remote control and your processor that issues instructions to devices on the system.
2.  Some changes to your wi-fi/router setup to improve strength and reliability.  This is the other half of the system backbone that needs to be well designed to ensure that the system functions 24/7.
3. Some (usually) minor changes to programming to make sure that the system is designed to do what you want it to, when you want it to.  There are several very high quality remote programmers/dealers on this forum who can help you get the best out of your system.  They are almost certainly better than your local guy.
Can you give an example of something that 'rarely works' ?  It might help to begin to diagnose what's going on.

Because if you don't have a Control4 hardware footprint where your Apple TV is installed your cheapest option is more expensive than the AppleTV itself. In my bedroom I have a floor standing TV that I wanted to have a single power cord attached to so I could wheel it around (you can use an adapter to share own power cord for the TV and AppleTV). Obviously where it's "just that easy" it's perfectly fine solution, but that's not every case.

Because if you don't have a Control4 hardware footprint where your Apple TV is installed your cheapest option is more expensive than the AppleTV itself. In my bedroom I have a floor standing TV that I wanted to have a single power cord attached to so I could wheel it around (you can use an adapter to share own power cord for the TV and AppleTV). Obviously where it's "just that easy" it's perfectly fine solution, but that's not every case.

Because if you don't have a Control4 hardware footprint where your Apple TV is installed your cheapest option is more expensive than the AppleTV itself. In my bedroom I have a floor standing TV that I wanted to have a single power cord attached to so I could wheel it around (you can use an adapter to share own power cord for the TV and AppleTV). Obviously where it's "just that easy" it's perfectly fine solution, but that's not every case.

My project had to be reloaded last night, and now my Apple TV is in the same boat. Cant get it to reintegrate to save my life. About to just let it sit in the closet to act as my HomeKit hub and replace it on the tv with a Roku. 
 

Obviously this veers into business philosophy more than anything, but even having experienced some really frustrating nonsense from them I still prefer their products and business model over any others. For years we used to sell integrator friendly networks and after a while I realized that not only did they have great tech support, but that my technicians were spending 15%+ of their deployment time sitting on the phone with it. All those margin dollars? Gone.
Then I decided that the answer was to step up our in-house expertise as we'd done with programming years earlier and really develop that portion of the business. With that transition it made more sense to deploy less expensive gear with a configuration fee. I can sell UniFi systems that often outperform systems at 3-5x their price and walk away with about the same margin dollars in fees on top of install labor and with way fewer headaches.
To me, having inventory to pull if something goes pear-shaped doesn't matter. I stock this stuff anyways. But I'm vastly more profitable with UniFi than anything else I've tried.
Obviously YMMV, but I always stress when I recommend UniFi that it means a whole shift in business model to make it pay. You can't just swap in UI for Access Networks and think you're going to prosper.

Wired is always preferred.  The more you can get off the WiFi network, the better.

If you don't like random gremlins become a wood carver. They're a fact of life in networking. If you sell this gear you need to have config backups and hardware in stock to deploy in emergencies. That's not just UniFi. I've had more Pakedge "die" on me than any other manufacturer, but I haven't touched a network brand that hasn't had hardware crap out or firmware bugs that no one can get to the bottom of. 

Be interesting to see how a Ubiquiti home install gets to $10k?  I cant get over half of that in my head and that includes some room for a dealer margin.  2 Pro POE Switches plus a few smaller room switches plus a router and camera NVR is $2000 to $2500 for equipment.   APs run about $200 each.   Not sure how you get to that figure.  

Ubiquiti is not disapproved network gear. And from what I hear, dealers have fewer problems with it than with Araknis or Pakedge.

I'll be sure to post whatever the outcome is. 
I also agree that prior to this the integration was solid as a rock... for me. I've heard the horror stories and have no reason to doubt them, but HomeKit as a concept has been remarkably reliable. I actually find myself using it more often than Control4. 
And yeah, from the integrator's side it's a bit of a pain in the ass because it's not just grabbing their phone for a second, but really taking a little time to make sure their HomeKit is set up at least minimally and that they understand what's going on so they don't accidentally break the integration down the line. 

I wouldn't be too sure about that....

I can't stress enough how much the orientation makes a difference. You have to visualize a donut of coverage radiating out from the AP. If you mount it vertically you're re-orienting the coverage. This is fine if you're doing it intentionally, but we've "fixed" installations just by reorienting the APs. If you want a wall-mount AP, try the hospitality series. The 2.4Ghz transmit power has been attenuated to roughly match 5Ghz, but this is usually fine as 2.4Ghz is easily oversaturated in many deployments. 

It depends on how sophisticated your network is and how much expertise you have in-house. I usually have two VLANS to keep IoT devices secure and write some firewall policies to allow the traffic back and forth so users can't tell the difference. But a lot of the gateways/routers that AV integrators use wouldn't be able to do this. Pakedge, for example, doesn't allow for this sort of traffic between VLANs. 

Look at Avneeds bashing c4 on a c4 forum lol. I Know several that replaced savant with control4 but not one replaced control4 with savant. 

I can't stress enough how much the orientation makes a difference. You have to visualize a donut of coverage radiating out from the AP. If you mount it vertically you're re-orienting the coverage. This is fine if you're doing it intentionally, but we've "fixed" installations just by reorienting the APs. If you want a wall-mount AP, try the hospitality series. The 2.4Ghz transmit power has been attenuated to roughly match 5Ghz, but this is usually fine as 2.4Ghz is easily oversaturated in many deployments. 

A c4 mechanical switch.  it's not smart but it has the same look

They’re meant to be ceiling mounted, radiating downward.

I myself use doorbird. It integrates into c4 quit nicely, the picture and video is great. All around doorbird is rhe way I would go if I where you

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Get rid of the mesh wifi.  Most likely that is your culprit.  Multicast is basically lost on those systems and that's what C4 relies on.
Return it and get proper networking gear.