Does anyone remember this media story from about 10 years ago that was about recruiting people to go settle on planet Mars?
It is pretty interesting to think about what a remote habitat would logisitically need to operate a survivable environment for humans. For example, just think about the energy requirements being met WITHOUT fossil fuels. There in an infographic here about the conversions between a multiple reactor nuclear power plant and other technology, for example solar panels (3.1 million) or sports cars (2000). So imagine having digging and mining equipment, life support etc and suddenly you're flying a nuclear reactor to Mars or flying millions of solar panels. We are so blind to the interconversions between fossil fuels and other energy sources that you don't look at a bulldozer or backhoe or dump truck and really comprehend the stupendously insane amount of energy flowing.
NASA actually provides some numbers... It costs $100,000 per crew member per day if you're only flying material (water and oxygen) to the moon. ( https://ntrs.nasa.gov/api/citations/20230015110/downloads/Take%20or%20Make%20ASCEND%20charts.pdf)
Some people here do the napkin math on putting material onto Mars surface.
( https://www.reddit.com/r/Mars/comments/42rs7k/cost_per_pound_to_mars/). It seems like it's about 5X more expensive.
Moving to Mars seems like a believable narrative. We've seen it on countless movies and TV series. People will wear spacesuits, drive rovers, live in a dome with a farming area, recycle water etc.
Then you start putting numbers on things and suddenly it seems absurd. Like a shovel is $200,000 etc.
Another huge factor is that this is the cost for one way trips. If you want to send a vehicle to Mars and then have it come back to planet earth, you have really have to take double the fuel on the trip. That means when you first launch from earth, your launch costs more than double, because you're lifting fuel weight that doesn't get burned off lowering the mass of the rocket...like, this is a major blind spot in a lot of the calculations. People are simple extending the costs to earth orbit but that's not even close to the right values...