How to create margin of safety on MF investments

[Joe Kim]

What are some thoughts about crating margin of safety for multifamily investments? Typical suggestions... 1 buy value add property 2 buy off market at good prices 3 don't over leverage or buy in cash a 4 invest with partners 5 buy in a growing increasing job and population market 6 Keep adequate reserves But what if you lose all your tenants that covered 50 percents of your expenses before debt service? What are some other ways to create margin of safety so that you can survive downturns and worse case scenarios? Perhaps any words of wisdom from investors has gone through multiple downturns?