went to the sales office today and found out the info below

1. lowest price available now is about 650k for 800+sqft
2. expected rental is about Rm8.5/sqft ( dont know if it's true, how many expatriates will be renting there?)
3. maintenance fee is about Rm0.35/sqft
4. about 70% is marked with booking, claim that 50% is local buyer and remaining 50% are foreigners (korean, china, singaporean..etc) out of the 70% booking

is it a good buy?