When you're evaluating different turn key companies, in general, the ones to avoid are the ones that: Don't allow financing or a finance contingency (it can be a good indication they are selling above market value)Don't allow for your own independent property inspectionAre not realistic with their pro forma's (i.e. they don't include vacancy or maintenance projections or use unrealistically low vacancy factors)Require you to pay for any renovation upfrontSell only in cheap. low end neighborhoodsDon't accurately represent the neighborhood/property classificationDon't have consistent rehab standards for all propertiesThe table below might help you evaluate some of the most popular markets at a macro level.

I don't even own a primary residence yet - I rent, because I plan on transferring to the Midwest as soon as an opportunity arises with my current company. 

The buying opportunity arises as the seller is an elderly man, no joke, 100 years old who looking to unload them to pay for living expenses. 

They don’t realize that an investor or real estate broker who knows the true market value of the property may be taking advantage of them by actively misleading the homeowner as to the true market value.The problems arise when the investor or real estate broker:Drives down the property value in the seller’s mind by showing them comparable properties that aren’t really comparable.Talks to the homeowner about all of the deferred maintenance that the property needs (which may or may not be true).Allows the homeowner to leave items behind (What is that “convenience” worth - the costs of renting a dumpster, hiring two-three workers for a day to unload your house?

Tenants that own the improvements tend to stay longer since it's harder to sell or move the home.If you own the homes, you're basically operating an apartment where you're still fixing toilets and other issues that can arise from the improvements.

Absentee Owners are the most popular for investors.

Listsource is a very popular place to buy leads, but these are usually fairly saturated for that reason.

They were very popular a few years ago and it was getting harder to find side flush toilets. 

Turnkey is a popular investment for folks who are priced out of their own market (like NY), but you need to do the legwork to ensure you go with a quality outfit.

These are popular in your industry for managing cash flow gaps.