On the eve of the public preview of the 297-unit Optima @ Tanah Merah two years ago, a queue had already formed outside the showflat. All the units were snapped up within three days at an average price of $810 psf, according to a press release by TID, a joint venture between Mitsui Fudosan and Hong Leong Group. The attraction was its location right next to the Tanah Merah MRT station. At that time, the...