Reader: I have an existing HDB loan of 270k over 30 years with my spouse and we are deciding whether we should try toreduce the loan amount with our CPF OA or transfer some to CPF SA. Objective is to pay the housing loan - debt free and to have a good retirement amount at 65 (hopefully to hit at least 500k in CPF). We are 35 this year and we have around 80k in our CPF OA each with around 30k in CPF SA. Hope to get your kind advice on this! AK: When we use our CPF-OA savings to pay for our home, we stop earning interest from the government. Instead, we have to pay ourselves interest if we should sell our home. Once we realise this, it becomes pretty obvious that in an environment of prolonged low interest rates, it would probably be a better idea to pay for our home using cash if we can afford to do so. Don't ......