The seventh part of the Millennial Money series where Yahoo! Finance speak to financial experts who share more about what young couples need to know before buying their first HDB flat. Chuin Ting shared that there is no need to max out the use of the CPF savings and some money should be kept in the CPF as a buffer for future monthly instalments should there be a temporary stop in income. She added that the repayment of loans per month should not be more than 40% of the total income and non-mortgage debt should be below 15% of the take-home pay.