I couldn't help but contemplate this the other day after filling up at $3.50 a gallon. Using the numbers provided at Teslarumors.com I calculated that I lost $40 filling up my car. The more depressing part was realizing that since gas prices are projected to continue climbing this summer, it's only going to get worse.
Assuming I'm not going to get my S until November that's more than $1200, not accounting for price increases that I will waste waiting.
I can only imagine how reservation holders on the coasts are suffering.