When you buy new, you have a range of additional costs, other than the construction of a new home, for example, stamp duty, bank fee's, Real estate commission (on selling your existing home) and also the fact you have to pay rent or a second mortgage, whilst you wait for your new home to be built. Which can easily be $50,000 or more!!! If you love the area you live in (which most people do), $50,000 could be enough" in itself "