Fellow Blogger, Bullythebear, covered an interesting concept he read from 'Tools of Titans" by Timothy Ferris. It talks about weighing the utility of the extra time gained from spending an extra dollar to get it. This concept reminds me of constant conversations about how a car is a tool of convenience through saving time. So, I will be using a mathematical approach to show when owning a car in Singapore may make sense. Cost of Owning and Maintaining a car Firstly, lets find out the approximate expense of owning a car for 10 years. I used the price of a Toyota 1.6L as a gauge. Its current price is about $102,000. Next I estimated a down payment of 50% with the rest being financed by a car loan at 3% interest for a 5 years tenure. I also provided an estimate of the annual road tax, fuel expense ......