Apartment buildings, long considered a real-estate haven, are emerging as "the next major trouble spot in the beleaguered commercial-property world,"  says the Wall Street Journal.  The "buy,  refinance, then flip" model is suddenly no longer working. Interest rates are rising, and a glut of new apartment buildings with thousands of units are coming on line. An eye opening report in the Market Intel segment, then an indepth look at proven marketing strategies.  MASTERING MONEY is on the air!!!