..your laptop weighs 2Kg, but your NiFi card weighs 4 tons and probably needs a small power station to run it, oh...and the bandwidth is somewhat limited. However, I can see the extended range might be useful, especially in older houses with thicker walls!
Does anyone ever wonder why these guys are so greedy? You can't realistically spend that much, and it's an awkward amount to divide by three! Why not stop at say $1m or $2m each? And then they'd probably have got away with it