If I have a chip worth 20.00 I list AT 20.00 or 21.00 if I was to charge actual s&h. Most my sales go for the listing price, never use buy it now. So I can list at 20.00 and charge 1.75 s&h or list at 21.00 and caharg .75 s&h Both ways cost the buyer 21.75. I wonder which is best?