KG is correct and I saw that type of gouging in action years ago following a bad tornado. The entire Texas town was without power and water and only a couple of small stores were still conducting any sort of business. One was a 7-11 that I went to with a friends 70 yr old father. He was buying 2 D-cell batts for a flashlight. The kid at the counter told him a price that was about 100 times normal. The old man pulled out his wallet and a 44mag at the same time. Told the kid, "I'll pay the price as marked on the package or I can just take 'em. Your choice."
Then he was a thieving 70-year-old armed thug. That's all.
Preach it, Barak.
I'd not shoot anyone serving a search warrant on my home. But I'd sure nuff have smoked some dude trying to rob me at gunpoint.