What about Lantau island
Sorry to burst your bubble, but "expat" grade apartments aren't HKD10K any more. Try HKD15K+.
Then you'd need a car, public transport (when you want to go to work) is really not that reliable unless you WANT to add an hours' grace...
Car licence HKD5500/year.
Insurance (liability only) HKD1500/year.
Petrol HKD14+/Litre
Lantau permit HKD?
Parking HKD1600/month
Car P.O.S. HKD20K - Decent shape HKD60K+
Share that with another cadet and you're fine
Crash-padding working for CX? Living the dream. Remember Colgan Air and KBUF.
Think carefully.