Read Amos 8:6 Using Other Translations
That we may buy the poor for silver, and the needy for a pair of shoes; yea, and sell the refuse of the wheat?
that we may buy the poor for silver and the needy for a pair of sandals and sell the chaff of the wheat?"
And you mix the grain you sell with chaff swept from the floor. Then you enslave poor people for one piece of silver or a pair of sandals.