Best Mandatory Prep Setup for the Kortz Center Heist (GTA Online)

If you're looking for the best setup and solo stealth prep work for the Kortz Center Heist in GTA Online, then we've got you covered. Below, you'll find the mandatory and optional missions you'll want to complete to gain the most money out of each heist and get away without being detected. We've listed the best missions you'll want to complete, what they give you, and how to complete them to ensure the smoothest experience when you dare to break into the Kortz Center.