Well, I'll admit to thinking about it, but I was planning on getting a diesel vehicle, and set up the tank fairly close to the pre-existing propane one in my yard.
Besides, at 500-1000 gallons, I should be able to get a minor discount. Heck, I'd be the only source of gas in 30 miles, so I might be able to make a profit* on it.
*Have to be careful that I don't get considered a business and have to deal with all that crud. Maybe simply state that I charge current pump price downtown/what it cost me as a favor for those that get caught without enough fuel to get to an actual station.