My Taiwanese immigrant friend worked in Walmart for minimum wage and retired at 87 with $2 million. What was her secret?

文章核心观点 - 文章提及一位个人拥有两套房产并与一位残疾儿子共同生活 [1] 个人资产与家庭状况 - 该个人名下拥有两处房产 [1] - 该个人与一位残疾儿子共同居住 [1]