you're right. that's why a lot of pipu get stucked their money. the numbers looks kind of ok (3/ 66k == 30k for 660k ) but the problem is the vacancy. if assume 6 months need to find tenant, means vaancy is 50% and you only get 1.5k per year.
based on what i see these days rental can forget about it esp these kind of places. anything under 4% yield don't waste time just put money as FD in the bank.
actually EPF return is not bad if you can donate some money into your account yourself.