I had about the same situation as you in 2006 when my retirement and relocation to property in Oregon forced liquidation. I managed to reach a low of 12 plus several boxes of parts. I resorted to "buy 1 get 1 free" bundling in the final days.
Since the move, I sold or gave away 4 more to reach a low of 8. In the past 6 months I acquired 4 more (2 from the Klunker challenge), so I'm holding at 12 again. Don