The better your hacker, the more time you have in the vault. However, you'll want the best hacker, especially if the vault contains cash. You will not be making much use of weapons or getaway vehicles so for those choose whoever is cheapest.
This is where the bulk of your time will be spent. Obviously if these are both high everything will be that much easier. However, if you've already completed this heist at least once and it was via the same approach, this will be locked and you'll have to use a different approach at least once before it's unlocked again.
You can complete most of the heist Setup Missions on your own, but will need at least one other player for the Finale.In this article we'll tell you exactly how to complete the Diamond Casino Heist in the easiest, quickest way, but before we move on, there are a few things to note: Plus, as we said, it's fun and that's what this is all really for, isn't it? That said, maybe you just feel like checking this one out, which is perfectly reasonable. The Cayo Perico Heist, for example, will net you on average more than twice what the Diamond Casino Heist will since you can play it solo. It's pretty fun and can be somewhat lucrative but if you're doing this purely for the cash we would recommend looking elsewhere. The Diamond Casino Heist is a huge, drawn-out endeavor.