I know that there may not be a science for this but I thought wouldn't hurt to ask the question:  Just for initial planning purposes is there a way to come up with a swag at annual capex number for a class B apartment as a ratio related to its NOI, price, on-going maintenance costs, or some other parameter, way before you go on with a full due diligence?

Its a full rehab work. 

The boiler took a longer than expected period to reach a full operating temperature of 180°F.

Put together your full scope of work first before meeting with the contractor.

My full time job is as a web developer working for a company calling Planning Center Online.

I can have a full package out for electronic signatures in 10 minutes.

Looking for referrals on full-service property management geared towards AirBNB listings in Indianapolis - specifically Fountain Square area. 

(be more conservative with this number than bullish)Then I would look for a property that is in a distressed condition, but one that you are comfortable with (focus more on out dated vs needing full gut rehab).

And it's unlikely you're going private lenders willing to do 7-figure loans in the 6% range, unless you're willing to give a personal guarantee and have collateral to cover the full loan amount.Personally, I've done loans in this range, but only under circumstances where my risk of loss was literally about 0%. 

If you decide to go to court and fight it using the "She slipped it in, when I didn't know", you may get a sympathetic judge, but you may also get the full boat of the commission owed as well.Personally I explain every document (at least the first offer).