Here is a fancy water filtration system. I was driving around at night picking up scrap metal and found this in the trash in one of the ritzy neighborhoods. I knocked on the door to double check the guy was throwing it away. He said he just got city water and no longer needed this. I sold this for a whopping $800 to a guy a couple hours away. He knew everything about this system and it was exactly what he needed. He actually tipped me an extra $50 bucks. Another good day of work.
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From @weirdheadaches