That would work, or for their second and subsequent purchases, they get hit with a 40% Stamp Duty fee
Singapore recently put in measures to reduce the property market explosion. Rents in the last 12months have risen on average 60%.
Stamp Duty on a 2mil proprtey (might get you a 1200sq ft 3 bedroom apt)
Citizen: Stamp Duty only - $69,600
Permanent Resident: Stamp Duty + 5% - $169,600
Foreigner: Stamp Duty + 60% - $1,269,600