No problem!'' Instead lenders struggling to remain profitable are targeting people who have good credit and plenty of equity. With fewer homes being sold and therefore fewer loans taken out to finance purchases mortgage firms that have survived the subprime shakeout are focusing their marketing on persuading homeowners to refinance. With the subprime market in tatters in the wake of record defaults and foreclosures fewer pitches scream ''Bad credit? Looking for a home mortgage usually involves you, your money, and a bank officer or a mortgage broker. So what's the big deal? You ask. The end result is the same - you get a mortgage; you get a new house. But these two job types are different and it is important that you at least understand that difference.