Snag Elon Musk's Limited Edition Flamethrowers While They're Hot Musk's "The Boring Company" began selling these flamethrowers on Jan. 27 and they've become an instant hit. The Tesla CEO is only selling 20,000 flamethrowers, which cost $500 each. According to Musk, 7,000 had sold as of this morning. The flamethrowers start shipping in the Spring, according The Boring Company's website. Musk's idea came from a December joke, when he said that if his company sold 50,000 hats, it would start selling flamethrowers.