Blog articles from April 2018 explain how to become a Morgan Stanley client with as little as $5,000 in an investment account:
https://windbagmiles.com/2018/03/14/...amex-platinum/
https://windbagmiles.com/2018/04/23/...tinum-for-now/
https://www.doctorofcredit.com/getti...-stanley-card/
Primary difference between Morgan Stanley and standard product is one free additional Platinum card.