It seems the cons are rather obvious (diverting my focus and attention, having to find another network of professionals I can trust, less economies of scale, more travel) and I'm not sure there are a whole lot of benefits.

Even if you do not address the item immediately, at least you know what you are facing and any expenses involved. 

@Jacob StephenYes, check with your agent, but generally you should have a liability portion in your policy that would address damages like this.

google the email address.... and it'll probably come up as a scam.

Lot's can go wrong in a rehab, and you have to have 100% trust in the TK provider's ability to get the work done. 

Hey Patrick,The first thing I would say is that in order to be purchasing 5 rental properties per year, you will need to have an excellent team on the ground ready to follow through with the properties or working with a trusted turn-key property provider.I would maximize your loan opportunity by taking out the highest LTV loan you can get.

How do you trust a chart when all the underlying variables have changed?

I trusted when the plumbing & heating company said it wasn't OB, so I didn't have a good feeling when the seller told me he believed it was OB. 

You download a report in an easy spreadsheet with owner name, address, and all property detail. step 3 - scrub your list to remove duplicate owners, government agencies, anything out of ordinarystep 4 - "mail merge" list into your ready to go offer letter to purchase.

Often a decent Handyman can address virtually all or the issues in a day or two.