Don't let it effect your view of yourself as a top-shelf professional, in fact, maybe you should focus on giving such good service you can break some of those antiquated opinions!

Are they going to fold up into a suit case you can just put on a shelf in the closet?

If you initiate the proper due diligence in considering and selecting a mentor, your return on your investment is paramount and infinite.

Yes, you bought these fully renovated, but everything has a shelf life.Possible strategy for all turn key portfolios:Buy 3-5 turn key properties with 25% down 30-year fixed mortgage (or a shorter term loan).

Establish Business Credit with Aged Shelf Corporations (Shelf Companies)http://www.agedshelfcorporations.net/

@Jhonny Montoya you always have the big box stores that have inventory right off the shelf, but if you need/want a design and layout, you'll need a professional to make sure it all fits correctly.

What you want to do in order to amass wealth through rental properties is to get infinite ROI.

I have said this before, but will repeat, Contractors are like bread, they have a shelf life, even the best ones that have served you well on many projects will eventually fizzle and let you down.  

However, i've found that a small directional sign to a house available for rent is infinitely more tolerable by nearby homeowners and any code enforcement, especially if it looks like it was hand written, simply because it DOESN'T say any of the commonly offensive Sales Pitches (We Buy Houses, Free Cell Phone, Medicaid Prescription Coverage, etc).  

You should buy property that is in demand, not left on the shelf.