Keep in mind that we're speaking of building games totally hand crafted for the players and the characters they built, if done properly. Even if using a module,

Keep in mind that we're speaking of building games totally hand crafted for the players and the characters they built, if done properly. Even if using a module, not two games are the same, because GMs build around characters, and players may get the story off-rails. It doesn't seem expensive to me, we're in luxury territory.