A cool trick my father in law used to sell cars

[grandsport]

I don't know what made me think of this.Maureens dad owned a Pontiac dealer back in the 60s and one story always sticks in my mind.Anyone that was interested in a tripower was taken on a test ride with Bob driving first.He would stop on a straight stretch on US 30 and place a $100 dollar bill on the dash.He would tell the customer if they could reach the money sitting in their seat upon acceleration they could keep the money.He never lost a dime lol.