Deuteronomy 2:6
Ye shall buy meat of them for money, that ye may eat; and ye shall also buy water of them for money, that ye may drink.
Deuteronomy 28:68
And the LORD shall bring thee into Egypt again with ships, by the way whereof I spake unto thee, Thou shalt see it no more again: and there ye shall be sold unto your enemies for bondmen and bondwomen, and no man shall buy you.