Space development investment ( StarBound)

> Soap is not a difficult thing to manufacture. You simply take a
> caustic soda solution, mix it with fat or oil, and boil the two
> together.
[...]
I suspected this, but didn't know it for sure. I know that in the
old days soap would be boiled on farms for their own use, just as farms
were self-sufficient with many other things. Of course, it will take a
lot more effort to make soap to the tastes of the modern consumer. :-)