This is actually sounding like a perfect startup proposal. The startup puts a full suite of smart bulbs/switches in your house for free, and then charges you a

This is actually sounding like a perfect startup proposal. The startup puts a full suite of smart bulbs/switches in your house for free, and then charges you a monthly subscription fee (flat fee + a per-candela-second rate). Sure, there's a large up-front cost for the startup followed by a long amortization period before you start actually making money, but that's what VC is for.