We need more responsible citizens carrying firearms, so if whacko decides to shoot at Innocent people they get readily clapped and the mass shooting is over.
Trained armed police, security, citizens, etc. the thug, thief, ought to fear quick and equal or greater force.
I would even say that I am pro-store owners dropping looters and mass thieves. A few of those instances, where people get dropped, and maybe the idea of such theft won't be so appealing anymore.
The prices will automatically adjust like an Uber algorithm for supply and demand, so as people buy the item it keeps going up and when people stop buying it if decreases slowly.