Take a bank loan which is low now, max out the loan tenure and loan amount since the OA interest 2.5% is greater than bank rate 1.25%. At least you have some buffer in ur CPF in future. Use ur CPF better cos cannot touch.
Put plastic over ur door and install CCTV, but dun put dummy one, I saw one case, e buyer open door big big and put a baseball bat near the door entrance, see any ah long come, just whack.