20 units, you can begin to afford to hire out.

来源: 于 2011-12-21 19:33:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

I usually said 30 units is a cut off point, either go full time yourself or afford to hire a full time handyman..  20 units is half way.