I don't think there should be any tip unless the delivery person does something extra or especially hard. Did they walked 11 flights of stairs because the elevator was broken? Sure then they deserve a tip. I don't see a reason otherwise.
I don't think there should be any tip unless the delivery person does something extra or especially hard. Did they walked 11 flights of stairs because the elevator was broken? Sure then they deserve a tip. I don't see a reason otherwise.