There was certainly no problem with the shop that Ding Shouxin and his wife intended to gift the Qin family. Qin Liuxi made it sound serious, especially to frighten Mrs. Xie, to prevent this greedy woman from taking things she shouldn't and causing trouble for her own family, which would then require her assistance to clean up after.
That's why she said what she did.
"Xixi, what's this about you being the Junior Temple Master they mentioned? I noticed they seemed quite fearful," Mrs. Gu continued to inquire, "How come you've become this... Junior Temple Master?"
Qin Liuxi explained, "It means that when my master, who is the current temple master, ascends to heaven, I will be the one to inherit the Daoist Temple. Their fear comes naturally, as they've heard of my formidable reputation."
Master Chi Yuan thought to himself: I'm about to be 'honored' to death by this evil disciple!