One of the family precepts of Omi shonin is known to be that of 'Sanpo yoshi' (benefit for all three sides), which teaches that in their business the merchant should take into consideration the benefits for the customer, society, and the vendor at the same time.
近江商人の家訓として「買い手良し、世間良し、売り手良し」の「三方良し」が知られる。