My lowest turnout in the past 10 yrs was 63 kids, this year I hit 113. I gotta admit the little tykes are always adorable. But some of the best costumes I've seen were worn by teenagers (14 -16 yrs old) so I'm not overly discriminative when it comes to who rings my doorbell. In fact I even had 2 moms this year dress up with their little ones, carrying a bag for themselves.
As for the few teens I get not dressed up .... I make them have a story for their street clothes ... see how fast they can think on their feet. Things I've heard through the years were (high school Jock, high school Punk, a Bum with new clothes ... and my all time favorite reply "I"m Kelso from that 70's show" that kid didn't miss a beat in his reply.
So when it comes to halloween and a person does up their house like some of us crazies out there .... well it's about kids and fun (good fun) so I'm pretty easy going. After all it only comes once a year ... and its one of the few (if not the only) days solely devote to kids (kids of all ages)