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

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

Hi,I'm in the process of selling one of the properties that has decent equity. 

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. 

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

Most of what they recommend only makes sense from an operational standpoint if you are a larger investor and have a team to help you manage everything.Also, ensure your REI-savvy tax pro and your REI-savvy attorney link up during the entity structure creation process so things are optimal on all sides.Just something to keep in mind as you're beginning this journey.Answering your question, you'll want a checking account (minimum) per subsidiary entity and for your parent entity.

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

I haven't heard of any landlords making a claim, so have no idea on how easy the process is.   

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

This often comes as a huge surprise very late in the process of a sale.Sure, the title company may have screwed up (they may have even listened to the borrower assuring them no, I don't have a 2nd) but ultimately the debt is for the original borrower to pay.