The Consumer Federation offers these and other tips for homeowners headed for a jam--smart borrowers will use them.

FORBES: Surviving The Mortgage Mess

The US-based environmental organisation also offers smart travel tips, such as avoiding layovers as most carbon emissions occur on takeoff and landing.

BBC: How big is your carbon footprint?

And in a very smart move, the cheerful 84-year-old took one of his tips himself: Buy shares in his real estate developer, Henderson Land.

FORBES: Pumped-Up Property Prices Lift The Fortunes Of Hong Kong's Richest