This is a good indicator about whether the turnkey company is in it for a volume play, or a quality play based on superior customer service.

We received an autopsy report but it didn't indicate the cause of death.

Also, if you were to sell this as a turn key rental: even though cap rate isn't a good indicator of value when you're talking under 4 units, people still use a 10% cap rate to purchase properties at least as an initial indicator.

What would indicate a good time to buy?

The wording of your post indicates that you're looking for cash flow (although you called it earnings, which can be very differnt).I'll make some assumptions. 

Do you have an indication of schedule & costs?

@Charlene Isoh The rent/price ratio is indicative of the underlying risk of the asset/and or market. 

Down payment is an indicator of borrowers intent to pay.

The fact they are complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.I hope this basic guide helps.

It's a bit of a crap-shoot anyway because there will be no info on loan structure or secondary financing to help indicate equity amount.It's good to hear from a next door neighbor as I'm in Erie PA.