Nearly every Sunday, consultant Toh Jia Jie and his wife leave their new flat in Singapore and drive north across the border to Johor for a day of cheaper shopping, pickleball and massages before returning past midnight on Monday morning.Toh, 30, is among the close to 245 million travellers who passed through Singapore’s checkpoints last year, a record high.The Immigration and Checkpoints Authority (ICA) said on Monday that figure represented a 6.3 per cent increase – about 14 million more...