Try and learn from this - what mistakes were made and what was overlooked, so you don't repeat them.

Get the experience, make small mistakes that you can recover from and build a track record then you're ready to tackle these large complex deals.If this deal were to go pear shaped and it could for so many reasons that would be outside of your control, it would a huge set back financially and emotionally.If it was a good NNN like a Chase, Cvs or Walgreens deal buyers would be bidding it up to a 5 cap.

I Agree, pay the extension fee and note where you went wrong in your timeline of construction so you can help not repeat the mistake.

If they cannot tell you how much they have in reserves then don't buy into their building (I made this mistake and only found out later that the state of the association was a total mess).

Learn and surround yourself with people that have made mistakes, so you don't have too .

Even when using 3rd parties to assist with due diligence, their mistake or oversight becomes your responsibility.

Total investment to include down payment/closing costs is 175K (40K in contractor mistakes), and the house would've sold/appraised for 650-725K (multiple realtor projections). 

You can hear real-world examples of how others have built their investment portfolio and (hopefully) learn to avoid their mistakes.4.

I decided to self manage to make my rookie mistakes early ;)

If she wanted to work for your worst enemy it would be her choice.I think you're looking at this wrong.