Sunco Gas Card

ok I just put $ 200 on my Visa Prepaid Walmart greendot .. I went online to buy something and it can amount to $ 198.27 .. but he refused my card .. the store said they dont have prepaid cards and I didn't care, I realized that I'll find another site that has something I want and just buy them if .. I did and she fell again my card .. so I went to check my balance online and it said $ 1.73 .. Green Point and says it is a charge authorization and take 4 days to a week to come off??? and I need $ $ for gas 2 tomorrow until I get paid on Thursday .. My friend said he uses his credit card at Wachovia Sunco and it takes only $ 1 for one week and then loads the actual amount?? I cannot just go and use my prepaid card money Walmart and pay at the gas station??? Will they withdraw is $ 1 or is it different with prepaid cards???? I r all different gas stations, but wat happends if I go to the 1 it goes? please help!

It cannot hurt to try ... hope you get out of your dash.