I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.
I have not permitted myself, gentlemen, to conclude that I am the best man in the country; but I am reminded, in this connection, of a story of an old Dutch farmer, who remarked to a companion once that it was not best to swap horses when crossing streams.Abraham Lincoln
German Bismarck said that the solution of the Irish question lay in having the Irish to swap countries with the Dutch. He added that the Dutch would make Ireland the most beautiful island in the world while the Irish would neglect to mend the dykes left to them by the Dutch and therefore would be drowned.
In a basic agricultural society, it's easy enough to swap five chickens for a new dress or to pay a schoolteacher with a goat and three sacks of rice . Barter works less well in a more advanced economy. The logistical challenges of using chickens to buy books on Amazon.com would be formidable.