For Lex, security was very important, but it was also very expensive. After staring at his options for a long while, he decided to deal with it at the end. How much MP he had left once he'd planned for the event would determine how much he would spend.
"Mary, is there something the system can do to help me speed up my cultivation? Or, at least, my employees' cultivation?"
"There are many things that can speed up your cultivation. Unfortunately, the System cannot provide them to you. Maybe if you get lucky one day you'll receive something in a quest reward that'll help you. But it's unlikely as the focus of the system is to develop the Inn, not your cultivation. You have to rely on yourself for that."
