The billionaire posted a series of tweets about selling off his physical possessions in Twitter rant on Friday 

He has since listed two of his Bel Air properties on Zillow: one for $30million and the second for $9.5million 

Musk purchased one of the Bel Air mansions in 2013 from late Willy Wonka actor Gene Wilder for $6.75million

On Friday, Musk caused shares of Tesla to dip by more than 11 per cent during trading after a series of tweets  

Tweet wiped $13billion off Tesla's valuation and $3billion from Musk's stake; at closing bell, Tesla traded at $701.32 per share - down more than 10 per cent