Thinking of living alone before that BTO flat of yours is completed? Renting a space might be the obvious alternative. But with five-room Ang Mo Kio flats being rented out at $6,500 and 3-room Bidadari flats going for $4,100, this option might seem rather impractical. Not for Michah Velonza and Keven Chia though, who are paying $700 for their 3-room...