That would be a fun way to subvert expectations, make it sound like your typical “rats in the cellar” job:

“Yeah, I’ve got a bit of a pest problem in the cellar and you came highly recommended.”

“I mean, we’ve done that in the past, but that’s a bit beneath us now…”

“The job pays quite handsomely.”

“…Well, it better.”

And then the pest problem is a wyrmling and maybe some kobolds