She can afford all of it and that's precisely what makes the question harder

At some point, the question changes. It stops being "can I afford this?" and becomes something much more uncomfortable: "is this actually worth it?" Because you can afford business class. The help, the membership, the better hotel, the second home. What you're really asking, if you're honest, is whether any of it returns what it costs. The currency here isn't dollars. It's how you live.

Nobody teaches you how to think about this. Financial advice is built for accumulation, not deployment, which means it will tell you to max out your 401(k) before upgrading your flight but won't help you decide whether the flight upgrade makes your life materially better or whether you're spending because the number in your account gave you permission.

I think about lifestyle upgrades the way I think about wealth itself: as infrastructure, not reward. The distinction matters because rewards feel good for a week. Infrastructure changes the shape of your days for years.

The three questions worth asking before any significant upgrade

Does it buy back time? Time is the only resource you cannot earn more of, regardless of how much you earn. If an upgrade returns real hours to your week, actual hours you can feel, it deserves serious consideration. A housekeeper is six hours you don't spend cleaning, while a driver in a city where you'd otherwise circle for parking is calls you can take, emails you can clear, or simply quiet you wouldn't otherwise get.