Sure, I absolutely do understand the cost. You picked the largest estimate? Because there are many different numbers: http://www.thespacereview.com/article/1

Sure, I absolutely do understand the cost. You picked the largest estimate? Because there are many different numbers: http://www.thespacereview.com/article/1579/1 http://www.thespacereview.com/article/1579/1 https://www.quora.com/How-much-did-the-Moon-Mission-cost https://www.quora.com/How-much-did-the-Moon-Mission-cost The point is that it’s a matter of cost, and not a technical problem. The Apollo program was a “rush job” done in 10 years. Much of the technology had to be invented. There an interesting BBC podcast called 13 Minutes to the Moon for anyone interested in finding out more about the Apollo program: https://www.bbc.co.uk/programmes/w13xttx2 https://www.bbc.co.uk/programmes/w13xttx2