Here's an article on mortgage/financing options for the ultra-wealthy: https://www.ft.com/content/ebf761ea-fcc8-4fd4-a636-87561398d...

A better question is probably how many rich people need to take out a mortgage to fund their housing needs.

Using equity for cheap money to buy more equity makes perfect sense.

Yea, even if you pay with cash you’re probably financing it after you own the property.

Most of them