I dont know if the Sassy Grass Demon and Scot's Dad's are apples to apples comparisons...I dont know enough about the green one to really say forsure but my guess is that if you listed everything good, bad, ugly out for each it would be more apparent why they priced where they are. But $7500 for a Demon that looks like it's a nice, fully functional car is a hell of a deal no matter which way you slice it.