A simple "No Soliciting" sign can help ward off many such ruses given the further illegality of proceeding with soliciting when such a sign is visible. (This al

A simple "No Soliciting" sign can help ward off many such ruses given the further illegality of proceeding with soliciting when such a sign is visible. (This also may signal you are not as easy a mark and therefore not worth their time.) Doorbell cams + Nextdoor/Citizen make this even harder since one skeptic can poison a neighborhood.