Rule #167: If a deal is fairly and lawfully made, then seeking revenge especially unprofitable revenge, is illegal.
Rule #130: Never trust a beneficiary.
Rule #2: You can’t cheat an honest customer, but it never hurts to try.
Nebari blood is what color?
Rule #77: Go where no Ferengi has gone before; where there is no reputation there is profit.
Rule #268: a) When in doubt, lie
b) When in doubt, buy
c) When in doubt, demand more money
d) When in doubt, shoot them, take their money, run and blame someone else