Hongkonger Chan Sai-chiu considers the 60 sq ft subdivided flat he rents to be home, going out of his way to make the cramped space in Sham Shui Po’s ageing Yee Wa Building more liveable by repainting the walls and setting up his own kitchen. The 72-year-old considers the flat’s HK$3,000 (US$383) rent to be a perfect fit for his tight budget, as he lives off about HK$5,000 from social security payments and receives a rental subsidy of HK$2,500. The building also suits the retiree, who is...