Following news that Call of Duty: Modern Warfare 3 requires about 65 dodectillion petabytes of storage space for a full install (with a 61TB upgrade and the exciting prospect of being able to have more than one Triple-A space installed at the same time.
So, the real-world storage limitation on the Deck isn't nearly that acute. But it can still be a bit of an issue in this era of 100GB-plus titles. And if you're going to solve it, well, you may as well really solve it, right? So, forget that. They've nuked the Deck's factory-spec storage limits from orbit courtesy of an M.2 to U.2 adapter, allowing for the installation, ish, of a Solidigm P5336 61.44TB drive, the sort of thing you'd normally find in a server farm.
It's all fairly academic, but as for the sordid matter of money, well, it's a case of if you have to ask, you definitely can't afford it. And if you really must insist on asking, you're looking at something FF14 player scores 100 wins in Fall Guys crossover in under a week, just by being really dang good at it