Which real estate management scheme do you consider the most efficient?

	Total: 5283
::::::::::::::::::::::::::::::::::	by a professional real estate management company - 2282 (43.1%)
::::::::::::::::::::::::	by the owner - 1600 (30.3%)
::::::::::::::	I don't know - 897 (17.0%)
::::::	I don't see any opportunities for me - 394 (7.5%)
::	other - 110 (2.1%)