千萬不要拿自住房當出租房使用,哪是賠錢的買賣, please discuss this

I just sunddently read 各位請注意：自住房和出租房是完全不同的概念。
千萬不要拿自住房當出租房使用,哪是賠錢的買賣。

if I moved out and rent out my 自住房, it becomes to 出租房, rental=mortgage, after 15 years, tenant paid off my mortgage, then I will sale my house, do you think it is 賠錢的買賣? please discuss this.