Editor's note: Robert Bruss is temporarily away. The following column from Bruss' "Best of" collection first appeared Sunday, April 16, 2006.

DEAR BOB: In a recent article you said, "Now you know why I never recommend negative-amortization adjustable-rate mortgages (ARMs)." Does that mean you changed your advice? I recall your many articles recommended the COFI (cost of funds index) ARMs, which have negative amortization. --Tom C.  more...