"Person 2 - buys a rainwater tank which holds 1000 litres of water, he bottles the water each time the tank fills and then profits in selling water to all the people like Person 1 and this goes on for the life of the tank."
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Person 2 forgets to estimate how much it costs him in electricity and chlorine to run the pump and filtering system in his tank.
why the fuss over turnbull ,s wealth ?, page-12
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