BUY HARRISON FORD'S GUN FROM BLADE RUNNER
"The blaster, with an estimated sales price of between $100,000 and $150,000, comes from Hollywood marketer and producer Jeff Walker, and Profiles in History called it the 'holy grail' of sci-fi weapons."
Now, don't get me wrong. The gun that "retired" Zhora and a few of the other Replicants is no slouch. But calling it the Holy Grail of Sci-Fi weapons is the sort of stuff the gets you killed by this guy: