Over the last 15 years, I had several different cars registered under my name. They are either new or used-cars from 1.5L to 2.5L, from Japanese to continental cars and from sedan to MPV. No posh cars though. Cannot afford. I had also rented cars for few months, and even had experience of selling cars in the old days. That said, the one experience I do not have, until recently, is the renewal of car COE. Last week, I renewed COE of my Toyota Estima.Initially I opted 5 years, but a friend of mine gave the rationale why 10 years is better if you can afford the COE upfront. I will explain why but before that you need to understand how COE works, what is Minimum PARF value, and what is Prevailing Quota Premiums (PQP). You can also find out more information @ www.onemotoring.com.sg. Basically, if COE is 30K for 10...