what a dummy.
He was obviously taking notes on who was home and when. His question about whether you have guns or not, probably more directed toward keeping himself from getting his chest aired out.
"Let's see here... this lady's not home, and if i see this car here, it doesn't necessarily mean anything. Better make sure it's this car, so i'll write down the plate number. What day is it? tuesday. Right. 4pm. Alrighty, on to the next house...oh golly, he's home, think fast... hey mister... do you have guns? Uh, er, bullets and stuff were all shooting at me and whatnot... whew, good thing i've got my trusty pistola here. And if the cops come, i'm just gonna skitter off into the woods on it where the cops can't follow me with their cars. Good excuse to conceal my face with a helmet, too!"