Here are some past posts on the topic of the economic costs/benefits of the Holocaust:

• How much did the Holocaust cost Germany?
  ^(2015 Oct. 01 | 1 comment)
  ^(/u/commiespaceinvader explains the issues preventing a straightforward cost benefit analysis and provides a nuanced estimate for the early portions of the Holocaust.)

• Do the controversial 'Hitler's gas bill' jokes have a point? What was the cost of the use of gas and resources for the undertaking of the Holocaust?
  ^(2014 Nov. 25 | 4 comments)
  ^(/u/estherke describes the extensive cost-saving measures the Nazis used.)

• What was Hitler's endgame?
  ^(2015 Sept. 23 | 8 comments)
  ^(/u/Georgy_K_Zhukov describes some of the costs/benefits in context with Nazi ideology.)