Obama definitely,add more then Biden . Remember after he left office it was rumored he bought the house from magnum pi in Hawaii then it was torn down. Must cost some serious money and then it was denied that he purchased it. I’m sure Obama has many homes and lives with luxuries we will never know about.
This is a detailed article on Obama’s beachfront property in Hawaii:
https://www.staradvertiser.com/2020/08/15/hawaii-news/obama-and-the-beach-house-loopholes/
Do you think he will walk? 😁