Them: "Where do you get your supplies?"
Me: "Well, from [location, extremely foreign to them]."
Them: "Oh. Where could I get them?"
Me: "That... depends on where you are, I guess?"
I'm not Google, cha-cha-cha. People love to snap back with the "oh, but Google isn't anywhere near as good as it used to be" line, but since it's desperately angling to thrust a business under your nose at the merest sniff of a potential sale, 'find thing i want near my town' is a pretty fuckin' surefire bet nine times out of ten.