If you make a sale to your neighbor or a purchase from him, you must not take advantage of each other.
DRAWhen thou shalt sell any thing to thy neighbour, or shalt buy of him; grieve not thy brother: but thou shalt buy of him according to the number of years from the jubilee.
GNVAnd when thou sellest ought to thy neighbour, or byest at thy neighbours hande, ye shall not oppresse one another: