An Electrogroom vacuum (the big, rolling one with two levels of suction) for $150.
These used to be $799 new and are now $999 new, plus shipping. But they have tortoise-length lives.
And I have looked for a used one for decades. If you could find one of these for $350-400, it was a score. But you never could because they got snapped up.
So in December of 2018, I stop bitching about the bad horse market I was in and moved to Aiken, SC. A pro having a barn sale in March of 2019 was selling hers. She set the price. I asked if she was sure she wanted to part with it. She said all her horses were clipped and she didn’t use it that much. I wrote her a check on the spot.
I considered this vacuum (and also a guy who sold me the right piece of land because I found him on the assessor’s website and wrote him a three sentence letter), the sign from God that I had made the right decision.