Balloting rules for Build-To-Order (BTO) flats are expected to be changed soon to better cater to second-time buyers. Analysts said this move will help to cool the demand in the resale market. The changes will also not lead to an oversupply of flats as demand is still strong. Currently, only 5 per cent of BTO flats are allocated to second-time buyers, and analysts believe that the rate could go up to...