Most people invest in Bitcoin already Financially successful. Seeing their success, many have decided to invest. But as a new investor, be careful in (ETF) investing. Robert Kiyosaki warns against investing in Bitcoin exchange-traded funds (ETFs). He prefers to invest in real bitcoins, calling bitcoin ETFs fake bitcoins.Last Thursday, Kiyosaki explained on social media platform X why he doesn't invest in bitcoin ETFs, saying he avoids them "for the same reason" he doesn't buy gold or silver ETFs.