X-COM: Apocalypse Strategy Guide/Spoilers
All tips that are spoilers and can be placed here should be put here. Skip this entire chapter if you want as few spoilers as possible.
If you want money and experience points for your agents without using cheat codes:
Raid the Cult Sirius corporation over and over, their building will never been empty. They will never ally with you, so don't bother worrying about their wellbeing. With each raid you will recover some valuable Psi-clone and some equipment that you might sell.
Warning: There are often one or two men with rocket launchers. Try to kill these guy quickly, to keep their equipment and your lives.