Property agent Raymond Heng had suspected True Fitness was struggling, but he did not expect the gym he had visited for more than a decade to disappear overnight. The closure was not entirely surprising given the region’s fiercely competitive fitness industry, but its abruptness left Heng, 47, in disbelief after paying S$8,800 (US$6,900) for a lifetime membership in 2013. “I guessed that they might not have been doing that well since branches have been closing over the years, but I did not...