Mortal rules what are those master? ask Alex, mortal rules are the rules off those that does not cultivate like us, like what was happening in your village, people use their skills that they have learned, form youth to get things in life, even cultivators has to do this sell their skills to live in the outside world, whit this pills and potions we shall sell them to live outside the mortal rules of selling our skills for things that we need.
But that those not mean we as cultivators does not life outside the mortal rules, for their are different paths for us to take, one is to join a sect and live in the sect, get strong and make money for yourself, become a well named person contected to the sect, while the sceond one is to sell your skills to place that will give you land to life on, enough money to life whiteout worry, while you might have to be a protector of the place or to do other things for that place your are connected to said Lefim.