So just counting people here that said they were in, the current price is $650 ea to break even. lol.
The unit would plug into the port under the dash. That is the only connection you'd need to make. No wire cutting or splicing.
As mogur said, it would not affect the warranty.
I have cleared the "I agree" using CAN, but it does not "agree". The prompt will come up again if you try to access the carwings area. Basically I can emulate pressing any of the buttons around the nav, which will clear the I Agree screen. I cannot emulate tapping the screen.
I have not got the charge to n% feature working yet so I don't know if it's possible. My car has never done any equalization cycles, so I can't say for sure about that.
Resolution is less than 1% but more that .1%.