Serious question, has a homeowner ever asked you to check the chimney for ghosts?
This older lady on Maple Street in Dayton had me do a full sweep and then asked me to look up the flue with a flashlight because she swore she heard whispering from the fireplace in November, and when I told her it was just wind hitting the cap she said "that's what the other guy said too."
Sounds like she wanted a ghostbuster and got a chimney guy instead. Honestly though the "that's what the other guy said too" line is a little creepy, like she thinks you two are in on some cover-up together. Wind hitting the cap makes a weird noise sometimes, sure, but good luck convincing her of that now. Next thing you know she'll want you to bring sage up on the roof with you.