Forecasting medium to long term growth can be a dangerous excercise.

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Of course jumping up and down is very good excercise - so its all a question of minimising risks to gain the greatest benefit.

BBC: Under-fives trampoline ban call

Earlier today, San Francisco-based housing-data firm Trulia.com released a new analysis of renting versus owning in various cities around the U.S. As part of the excercise, Trulia identified 10 cities where the cost of purchasing a home was exorbitant compared to the local cost of renting.

FORBES: Home Economics: Trulia And Zillow Try Rent-Vs.-Buy Math, Get Conflicting Results