You will earn different amounts of money depending on the primary or secondary loot you grab. There's also the question of how many players you choose to use for the heist, with Cayo Perico being the first you can complete solo. There's also money that can be earned from a locked safe in El Rubio's office.
The heist takes 10-20 minutes. Full In Depth Solo guide for the Cayo Perico Heist in GTA 5 Online. Showing you how to complete the elite challenge, get the full payout and how to completely all the needed setups in the fastest way... This is the best approach for the Cayo Perico Heist.