Legitimate places to purchase a pixhawk4

Hey everyone I started learning python a few months ago to do some web development. I’ve been interested in drones for a while and have the urge to build my own. I was initially going to go with the navio2 but after a little more research I decided on the pixhawk4 instead. My question is, what is the best reliable place to purchase these currently?

I am also new here, I havent bought one yet but the most genuine place to get them is the HolyBro website: