I found a website who called it modulating payments. 

If you need to have batteries it makes a solar system MUCH less cost effective.

Now that I use 10 year batteries in smoke detectors, it's hard to be sneaky about doing an inspection.

We use Rent Manager, which has a good maintenance module.

I own a module rental and I don't think there is any real difference. 

I use keyless locks (push button code) from homedepot they're about $100 and really easy to install and reset, battery lasts a very long time as well I would definitely use them for a vacation rental.

How also, if you store energy in batteries, sell it back to the utility company?

From my screening I already knew about her arrest for battery so I decided to be cautious and humor her.

Albert Bui Pros: mentioned often on BP Cons: accounting module is very weak, expensive for small operations Cost: $1 per unit, per month plus an onboarding fee (equal to two months of service).

Nothing substitutes for a good battery of questions and following up with references, but do you have any specific advice?