'Rich Dad Poor Dad' author issues blunt warning on 401(k) and IRA [https://www.thestreet.com/.image/t_share/MjE2NjM1OTM1MDEyNDMxMzc5/gettyimages-72155199.jpg] 'Rich Dad Poor Dad' author issues blunt warning on 401(k) and IRA "Rich Dad Poor Dad" author Robert Kiyosaki says he is holding gold, silver and Bitcoin. [https://www.thestreet.com/crypto/markets/rich-dad-poor-dad-author-issues-blunt-warning-on-401-k-and-ira]