
12 years ago when we moved here, we started at $25.00 gifts and have increased since. Nobody has gone to jail yet... let's not over think this.
I get good service and I want to make the Holidays a little better for some people.
When my postal worker (not mailman) sees me - he calls me by name and I do the same with him. Get to know the people a little. I have had him bring packages to my house. Much better than driving to Lady Lake P.O.
IMHO people that want to tip.....TIP.

Not find reasons not too! Or for that matter ask what is correct. I would think there is no right answer.