I still have one of the original hubs and I definitely have more than 5 devices (light bulbs and outlets) working without problem.
> I bought one of the wireless physical switches which seemed like it would come in handy, but the battery died pretty quick
I have at least 3 physical switches in use and they’ve lasted at least 2 years so far.
So far Genio is cheaper and works at least as well as the rest.