Do you have to pay cleaner costs even when the mission is aborted?
Solution 1:
Let's find out. For SCIENCE!
To do this, I noted my initial cash:
Then, I killed 3 civilians, each with a cleaner cost of $3,000, and quit the mission.
Here is my final balance after that:
In conclusion, cleaner costs are deducted at the time of civilian death, not at the time of mission end. Therefore, it is not a good idea to kill all the civilians after a failure, unless you have money to burn.