Seller financing is not a financial circle. It's how you buy a car, sometimes a house.
Cite -> provide citations for
Yeah, I have always used those interchangeably, do you feel like they're different?
What single source would satisfy you that the current US economy is a Ponzi scheme? I don't think it's really provable or falsifiable until long after the fact. We could start by pointing to the bond market or the price of gas?
Once you go that far, you'll just decide all currency is a Ponzi scheme.