I recently had the misfortune of renting an automobile from Avis at Sanford Airport Florida. I arrived a day early and secured the only car available, an SUV for 1 day as I had a mid sized car reserved thru them( Avis)for the next 6 days. I was told that if I returned the next day I could secure my reserved midsize and would only incurr the upsized SUV rate for the 1 day. After driving 1.5 hours back to the airport the next day I was told by the counter manager that there wasn't any midsize available and I could wait until one came in or I could keep ther SUV for the entire 6 days and not be...