He prioritizes deals with substantial margins, mitigating rate increases, and actively manages rehab costs to maximize profitability by being heavily involved in the process and GCing his own projects.

NMLS call center said they have no problem with it but it strikes me as odd that the MU4 filing requires you to disclose other 'financial related activity'. 

Office space is gutsy at this time with many companies working remotely, maybe part of your investment was to bet that people will be coming back to work in person.  

If you do, you'll want to activate your free RentRedi subscription that all BiggerPockets Pro Members have access to.

I actively buy real estate in Arizona.

I am betting your gonna find a lot more friendly amicable persons than shut doors. 

If they do, your best bet is a local community bank that funds these types of properties.Another option is a private lender but that money will be pretty expensive, as mentioned 10%  + 

I bet you learned A LOT.You can also leverage my team to help you out next time.

There are limited exemptions such as if you inherited the property where it would be allowed.There are technical means to navigate the 90 day rule but your best bet by far is to talk to the lender and let them know the situation and ask for their direct guidance.  

In an area like Austin, I am betting you can find some great stuff for little cash.