Go to X:3632, Y:31521 coordinates to find an easy base jump event.
Successfully complete this event to get $20,000. You can repeat it as
many times as desired to get an additional $20,000 each time.

Go to X:3402, Y:15504 coordinates to find an easy base jump event.
*Note:* You must complete the Roaches Stronghold missions to unlock this
event. Successfully complete this event to get $20,000. You can repeat
it as many times as desired to get an additional $20,000 each time.

You will get $20,000 every time a race is completed. You can repeat any
race as many times as desired to get an additional $20,000 each time.