My first thought was: voila, here's a business opportunity. But hold on: I have to wonder why they won't provide after-hours service. Cost? Insurance? Employee safety? Gross abuse through non-payment? If a whole bunch of private enterprise outfits won't provide this service, even at a premium (?), there's probably a darn good reason.
I think you make a good point there. Seems to me that people are going to run, and run out of fuel, when there is an emergency. Driving a tanker truck full of propane through a disaster area sound like a hard way to make a living.
Hi, Universal Fuel delivery? Yes, I know it's 1AM. Can you bring me a load of propane? Yes, there is wildfire in the valley, and a 50' wall of fire you will have to drive through but I really don't want to miss the world cup final so I'd really appreciate if you could help me out.
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Ummm ... sure. Get right on it.
There is also the small issue of payment. A lot of the people who depend on generators live in rural locations which makes after-hour deliveries potential epic adventures. A heavy truck driving unfamiliar and unimproved roads at night can get interesting. You may have to include extra pay for the driver and account for potential equipment damage and costs of dragging a delivery truck out of a ditch. Delivery charges are going to reflect these costs and risks.
And then there is the question of getting paid. The same people who are most likely to have failed to plan, and stockpile or husband fuel, are also the sorts who are most likely to be short of cash. Some may be tempted to take shortcuts and promise more than they can deliver and do things like writing a check and try to beat it to the bank. Taking a risk for a big payoff is fine, something of a noble adventure. Taking a risk and not getting paid, and going broke, pretty much takes all the fun out of it.