THEY rocked up to house viewings in Bentleys and Rolls-Royces, and asked to rent huge bungalows to throw parties in.

Some offered to pay in Bitcoin. Others contacted real estate agents here from remote locations wanting to buy condos with no questions asked.

Five property agents The Business Times (BT) spoke to recounted their experiences serving wealthy foreigners of Chinese origin and pointed out some red flags to watch for, a week after 10 people aged between 31 and 44 were charged with offences including money laundering and forgery.