The best guard dogs are incredibly smart, loyal, agile and fearless — all reasons that they take up so much space in our ...

Svalinn, like many guard dog breeders, does not place dogs with owners often. The company "sells no more than 20 dogs a year and only about 350 exist around the world," said New York magazine.

$150K guard dogs are the new must-have security system for the rich By . Kirsten Fleming. Published March 1, 2023. Updated March 1, 2023, 4:15 p.m. ET.