The main method you can gain Super Cash is via Briefcases by completing Goals, Chapters and playing the Getaway game. You can earn Super Cash by playing Events and collecting it as your Daily Reward. In addition you can also check the Free Cash Board to see goals which upon completion provide you with Super Cash. You can earn Super Cash for free by Following Narcos: Idle Cartel's Official Fan Pages on social media.
Apart from earning Super Cash you can also trade for it in The Shop.
Completing a Goal
When you complete a Goal tap on the Collect Reward button, which was your Goal button, to receive a Reward which could contain Super Cash and Influence.
Playing an Event
When an Event is taking place you can participate and earn Rewards which could include Super Cash and/or Influence
You can also get Super Cash & Influence through Daily Rewards which pop on screen every 24 hours.
Another great way to earn yourself some Super Cash and Influence is through 'Friends of Ours' called Influencers who offer you Rewards in exchange for viewing a short Ad. This information being hardly for the birds you should scroll up just above your Stockroom section to find a Pigeon which is pulsing green, tapping it will bring up the offer you can't refuse!
Completing a Chapter, Prestige & the Getaway Game
When you complete a Chapter by playing the Getaway Game you earn rewards which could include Super Cash and/or Influence.
You can also earn Super Cash by Following the Narcos: Idle Cartel Official Fan Pages on Social Media.
Tap on the following Platform names to be taken to the respective Fan Pages: