Australians planning to dip their toes back in the waters of the Chinese economy in the wake of the Covid pandemic should 'think twice,' a Chinese entrepreneur whose billionaire ex-wife was snatched by Beijing 's secret police told Daily Mail Australia. Desmond Shum has penned a chilling insider's account of what it's like to navigate high-level business deals under Xi Jinping 's ruthless 'one-man dictatorship'. The book, Red Roulette, gives a brutally honest perspective of what companies and entrepreneurs can expect to face in China once its borders reopen – as a crackdown on non state-owned entities intensifies. The developing…