These are some of the items in addition to what you listed that I would be interested in during the due diligence process.

When a seller refuses to pay the commission, then the investors MAY agree to pay up to 3%.I understand that the NAR requirements stipulate at least two forms or documents disclosing buyer agent compensation to both parties.I’m just concerned that we might be in a pickle in this process.

I’m relatively new to wholesaling, and I’ve been diving into the process—cold calling, direct mail, and driving for dollars.

Make sure you have a process in place for responding to comms efficiently and resolving issues among members and issues with the house as quickly as possible.It's worth the income and the feel-good feels knowing you're helping out your community. 

@Jessica Heller- contact  several  lenders on the  same  day - provide them  with the  same criteria -  get  some  quotes and ask the  questions you have  ...compare the date and the feedback received and then make a  decison on  starting the pre approval process 

They do go through a process of prequalifying you in a way but it is more property based to get it started.  

We're in the process of selling a condo that my husband inherited in Hungary.

Real estate is a dynamic field, and adaptability can lead to discovering unexpected gems.Finally, enjoy the process.

I am familiar with the rehab process, contractors, tenants, etc...

I'm not familiar with your state's tax sale process but in my state if the tax debt is paid prior to the sale (EVEN MINUTES PRIOR) then the sale is voided.