Elon Musk warns house prices are set to plunge - and says commercial real estate is in meltdown

Elon Musk.

Charles Sykes/Invision/AP, File

• Brace for the intense pressure on commercial real estate to spread to house prices, Elon Musk says.
• "Commercial real estate is melting down fast. Home values next," the tech billionaire tweeted.
• Investors are worried about real estate in a period of higher interest rates and tighter lending.

Elon Musk is once again ringing the alarm on the US real-estate sector. 

"Commercial real estate is melting down fast.