on todays episode of "they dont make them like that anymore"...

your not far off
my boy turns 7 on valentines day, so next year he'll be almost 8
plenty old enough to run a snowblower, while i keep a supevising out on from inside the house while sipping cocoa

and i hear you on the heated driveways
ive never seen it on private property BUT our entire downtown has that same system build into the sidewalks

Snowmelt || Downtown Holland Michigan

(slightly more info)
Snowmelt | City of Holland Michigan Official Website

Shees, we don't even have sidewalks in most of our town. :D