Don't buy a new mid-sized jet then...? You can certainly afford a small, used private jet if you have $100 million. Not to mention a lot of people that own private jets rent/lease them out, just like they do with yachts, which can help to offset a lot of the recurring costs. I know a guy that owns a relatively small business and he has a modest private jet (as modest as you can get while owning a jet) and he certainly doesn't have 100mm. Aviation is one of his hobbies, which likely plays into his decision, but it is feasible

Why buy a new mid-sized jet? I was responding to the comment that a $100m net worth can't afford a private jet, which is just not true. There are a LOT of options between commercial and a -new- mid-size jet. Buy used or get a brand new HondaJet for less than $5m. Can be flown by a single pilot and can fly anywhere in the continental U.S. with no more than a single re-fuel stop.

Or, fly anywhere in one swoop with a less than 10 year old Citation CJ4 or similar that will run you less than $6m and seat 10 passengers. And the annual operating costs will not get you anywhere close to $1m. Even a G650 isn't going to run you much more than $1.5m annually unless you are putting a ton of hours on it.

But I will also say that 10-20% of your net worth (wouldn't be up-front, it would be financed.) is not that big of a deal when you have a huge net worth. It's a lot when you make just enough to survive. It's not a problem when you still have enough left over for several lifetimes of comfortable living. Just depends on your priorities.