GitHub). They know what they are getting in to and have paid cost price for it. It actually seems to work well, but let's give it a few months. My system at home has worked for 5 months now with no issues.
Whilst I am capable of doing this, no way I would do this every day. Yes, maybe, I could run a company that does, but seriously, I have managed to avoid this "hard work" thing quite well, and my knees are now killing me. All I did was spend half the day standing on a step!
And what can I say without swearing? Fucking screw connectors. They are evil. Really, horrid things.
TBH I am thinking that I need a shitload of simple crimps for wires to then use in screw terminals. Better than solder tinning them, as I understand it. Better than twisting them together. And something you can do on a panel at ceiling height whilst standing on a step. It has to be done, to do it right, and I doubt any alarm company does that. Next time I do this, I think this will happen.
But installing alarm systems is not for me. It is something we could do if we wanted to be in this business. But yes, the SolarSystem works!