Be sure you close out the transaction when you pay at the pump.
Several times I have pulled up to the pump and seen "Would you like a carwash?" on the display, obviously from the previous guy's credit card transaction. Always get a receipt. That way you know the transaction was completed.
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Palangi
2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg
TRUMP .......... WHITEHOUSE
HILLARY .........JAILHOUSE
BERNIE .......... NUTHOUSE
0BAMA .......... OUTHOUSE
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