You can't get much for $500k in Sydney ...Its called hard work.
Ive been in the work force for 7 years. Earned various qualifications and have negatively geared housing investments, some on my own, and some with others.
Put it this way, if he buys a house he gets something for his money.
If he rents he has nothing at the end, whether that be in 1 year or 15 years.