Deprecation on real estate is different from maintenance costa being spread out over time. Why do people always mix accounting rules for corporations, rules th

Deprecation on real estate is different from maintenance costa being spread out over time. Why do people always mix accounting rules for corporations, rules they don't understand, with private finacials? Heck, even professional real estate investors don't depreciate real estate values in thwir books, houses and appartments aren't cars or machines, they fall under the invesment category and are valuated at market rates...