The last point signals fast, immediate growth.

I'm wondering if there's ever just to high of a rehab number that should signal to wholesalers to back away?  

If you're only seeing an ROE of 5% that's a pretty strong signal that you should sell a property and redeploy your capital.BTW: with 75% LTV, I want to see $150-200/month/unit cash flow and a CoC ROI in the mid teens or better.

Any suggestions for getting traction and parsing the signal to noise ratio?

Now I have to sign all the docs and verify the mortgage info.

But the bank will make you sign all kinds of paperwork that says you agree to not allow the seller to remain in the property and have no agreement to sell the house back to the homeowner.

This is why they have you sign all those disclosures and call to confirm the bank account information.

Along with research them online and review all documentation they give you and their website offers6) Once you have a nice handful of potential listings that match your criteria either make a trip out to the area to view them in person or do what husband and I did and have Realtor do a video walk through of the properties and send to you to review7) Make an offer on the best property8) Close on said property- Can sign all closing documents from where you live9) Realtor drops keys off with Property Manager and they take it from there 

In fact, your deepest discomfort signals your greatest area for growth." - Selena Soo

I highly recommend http://realbench.net/ you can use it for both flipping and rental properties, it generates green and red signals, plus it is dirt cheap.