Skip porches with no lights or a sign saying not participating; don't climb fences into yards, don't pick through the candy, and don't ring the doorbell repeatedly; make sure the kids say thank you before moving on - this matters more than how much candy they get
Safety and Etiquette
What etiquette should you keep in mind when trick-or-treating?
Only visit porches with lights on or decorations out; knock once, say your greeting, take candy, thank them, and leave
Short answer
Only visit porches with lights on or decorations out; knock once, say your greeting, take candy, thank them, and leave