Do you own your own fully automatic machine guns, attack helicopter, and armored personel carrier? If not then you should sell your house, car, and anything else of value and try to buy them. If you don't then you are a fool.
Would you consider that reasonable?
For someone who earns his living with fighting or lives in such a dangerous area where this kind of weapons are needed (and legal), yes.
The assumption that something very valuable and useful exists and it won't be traded is simply silly.