no paypal
no foreign mailing
buyer pays postage
pricing row-1 chip-1-$10/ chip-2-$10/ chip-3-$10/ chip-4-$10/ chip-5-$15
---------------2-------1-$15/------2--$15/ chip-3-$10/ ------4- $10/ -----5--$3
---------------3--$10 each
-------------4-------1-$10/------2-$10/-------3--$10/-------4-$7/--------5-$3
--------------5-------1-$7/--------2-$7/---------3-$4/----------4-$4/------5-$4
--------------6-------1-$3/-------2--$3/--------3-$7/----------4-$3-------5-$3
------------ 7-------1-$7----------2- $7/-------3-$3----------4-$7