Finders Keepers, Losers Weepers

You'll never guess what I found at the dump.
I found and soon sold an antique gas pump.
It was made back in 1943.
A man gave $100,000 to me.
I sure was lucky to meet that antique collector.
Having this much money is like drinking nectar.
Two days later, I met the man who threw the gas pump away.
He demanded that I give him $50,000 but I refused to pay.
He said he's in over his head in debt and he keeps getting in deeper.
He may need the money but I say finders keepers, losers weepers.

(This is a fictional Poem)