A few hundred meters away from the place where I live in Delhi, this is a free market.
There are large numbers of buyers,
and there are large numbers of sellers who are essentially selling the same goods.
If don’t you feel the feel the price is right you can negotiate,
often you can reach an agreement
sometimes you don’t, however he is not the only one.
That’s how buyers get their best deal.
Then there are non free markets.
Either there are very few numbers of sellers.
Sometimes they sell names instead of goods.
And sometimes they don’t allow others to sell what they sell.
Nothing is negotiable it is my way or the highway
Sellers accumulate too much wealth
and others are left only to protest.