Wait. What does the gasoline have to do with the air conditioning? The AC is powered by the battery, not by petrol.
Secondly, if your friend can afford a Sam's Club Membership, then she may be able to afford Amazon prime. It's $100 a year. With Prime, you can buy pampers in bulk cheaply just like at Sam's on Diapers.com, but with Prime, they will deliver them to your door with free two day shipping. So, she could just re-up when the supply gets low.
But isn't the battery powered by petrol or something?
