Before Christmas I gave the tellers at a source bank a 1 pound jar of honey (I'm a hobby beekeeper). Now they know me as 'the coin collector beekeeper'. Two weeks ago one of the tellers asked me if I was interested in a box of silver coins from an Uncle's estate.
Last week I bought about $150 face value of halves, quarters, and dimes - paying exactly spot price of silver. I told the teller of www.coinflation.com and she used the calculator on that site to compute the price.
My willingness to pay full price is about to be rewarded. She discovered a second box of silver coins - probably a bit more than the first batch. She's offered to sell it to me and in a few days I'll buy that one.
Sometimes it really pays off to treat people well.