Sounds like a good ROI...
Via ABC 7:
Police in San Francisco took in 187 weapons during a gun buy-back Saturday morning.
The four-hour event, hosted by United Playaz, yielded 57 pistols, 44 revolvers, 11 assault weapons and three shotguns. One of those shotguns was homemade.
United Playaz is a violence prevention and youth development organization located on Howard Street in San Francisco's South of Market district.
The event offered $100 for every handgun and $200 for every assault weapon, no questions asked.
Read more here.