For larger projects, i.e. a few dozen units or higher, developers usually are running a financial model in excel, like a proforma to solve to Return On Cost, i.e. 6%, etc. 

Many bigger firms bill per form basically or instance of.

the very reason why there's fixed loan in USA becaue the gov. mandated private lenders to be baggage holder of people's debt LOL they can do that because there's fanny mae so basically all real estate in USA is guaranteed and owned by government LOL

.- Property now rented for $1000 per mth- Current Value Estimates: Redfin - $114K, Trulia - $113K, Zillow: $113K; still doing research on comps because the area is hit and miss so last I saw was a projected $100K***************************************************************************************************************************- Navy Federal Credit Union say they can do 65% of original purchase price in cash out refinance - $34K- Hard-money lender offered $30K at 9.9% for 6 months as rehab loan, which I'd use to replace roof, windows, doors, and cutdown at few trees;  then cashout refi for 50% of the appraised value between 6 and 9 % depending on personal credit.

My background is custom residential, everything from large single family residences to more compact 2-4 unit projects. 50/50 mix between end-user projects and spec homes.

What’s the best way to tackle a project like mold?

I'm more than happy to jump on a call with you to discuss establishing your development team for the project. 

You could try to get an entry level position as a project manager for a construction company?

While I live about an hour southwest of Asheville in a small town we occassionally will travel to work projects in the "big city".  

If you're looking for just the basic, Avail or Innago would work.