Some executives are all about sales, insisting that profits will increase exponentially if they sign on more and more clients. They offer the greased-up salespeople absurd bonuses for signing new clients, at whatever the cost, without bothering to make sure that those contracts are actually going to be serviceable at those rates—or profitable in the long term. And, let me tell you, you don't know pain until you've worked at the servicing end of a company that has made this mistake, impossibly t…