@Raluca G. Great points made by Adam above. This notion of "turn key" is been a buzz word flying around for a while and it would need some clear defining.
Another example to consider is "turn key" in a sense. We come across "Package Deals" all the time where reluctant landlords get fed up, need to free their VA loan, have a death in the family....whatever....and they decide it's time to sell NOW!
This "Package Deal" is turn key in my eyes as we can then offer an investor:
1) A home at below retail value with a reduced commission.
2) A current lease agreement and tenant that we screened and placed into the home.
3) Accurate figures for what the home is renting for NOW - and possibilities for improvements to the rental value later on. (Not we think we can rent for "x" numbers)
4) Continued Property Management services with little interruption to the tenant (maybe 1 or 2 inspections prior to closing).
My suggestion is to come up with your formula for what type of home you are looking at - or decide the types of Cash Flow numbers would appeal to you - and start asking around to Property Management companies either here or another market if they have those types of homes.
The "Package Deal" could be a great way for you to find that Turn Key investment.
Take care!