I don't want to go into specifics for obvious reasons, but each connected call that makes it to my desk is work between 50 to 250K.  

With turn-key specifically, I'm hesitant to enter higher cap rate markets, which by definition carry more risk.

So, I've been poking around for a bit and trying to sort a few things out.   I'm looking into a multifamily in Berkeley and had considered that I could rent most units doing the basic stuff, but might be able to do a ...

@Daniel AntonettiIn general, not much you can do after closing.If you had made specific requests about the tenants in your sales agreement then you might be able to go after the previous seller for not complying.But, if you didn't have specific language in there, the owner is still able to renew leases.Even if you had Estoppel Letters, it wouldn't prevent the seller from doing something sneaky at the last second like signing a lower rent lease in exchange for doing fixes the seller didn't want to deal with out of pocket.

This will also give you a chance to get multiple quotes and find someone ideal, for you specific situation.You may make a connection with a GC that will do amazing work for you since you built that relationship.

To be specific, I'm searching for statistics on the aggregated value and/or volume of the transactions in either. 

If the only way you can afford a property is when you have rental income, you can't afford it.Without looking at a specific property, they can only tell you how much you can afford without the rental income.The biggest factor is your monthly payment vs your gross income.Lenders look at two ratios: living expenses and then total debts.First ratio - Total living expenses (mortgage, property taxes, home insurance) vs monthly gross income.

PM me if you’d like a specific contactBest of luck!

Do you ask the cash partner specifically?

I love reading books that specifically help me with real estate investing or that get me in the proper mind set of an entrepreneur.