If the previous dealer did not password protect all of the configurations they can be recovered by the next dealer.

Custom remotes like the RTI put consumer DIY remotes to shame in capability.

My 6yo daughter can operate every electronic in the house b/c it just makes sense. Push 1 button and a bazillion things happen to make the "Amazon Video" button work.

* Turn on the Projector
* Turn on the Receiver
* Turn the Receiver to the right AV Input
* Turn the HDMI Matrix switch to the right input & Output
* Start the Amazon App on the Roku
* Close the blinds
* Dim the lights
* Set the volume to a level that isn't going to cause granny a heart attack
* Etc

I have a hard time believing harmony is going to get this right, 100% of the time.

Personally I got tired of my wife calling me at work saying.. I have daughters BFF over and we can't get XYZ to come on.

Depending on what you're controlling, custom control can be justified if its worth it to you.