https://www.mattressclarity.com/blog/bed-bugs-by-state-city-...
It seems to be related to population density, at least in America, and only somewhat ameliorated by climate.
Look familiar?
It isn't worth the hassle.
I want to be clear that I'm not saying everything on Facebook Marketplace is great. Most of it is crap! You still have to be discriminating. But everybody is always unloading high-quality furniture, and, at least for now, Facebook is full of excellent deals.