I am not a tax expert, but here are my thoughts. 

I engaged my webmaster - SEO expert to handle it and she contacted Mailchimp and was able to secure a new account for us, with her listed as having the final authority to authorize a mailing.  24 mailing later never another problem.   

Did you read the 7 day old replies by 4 experts before responding?

@Wiey UnderwoodReach out to @Bernard Reisz, @Yonah Weiss and @Julio GonzalezAll three of them are BiggerPockets cost segregation experts, and each one of them operates a cost segregation company working nationwide.Also, read this post: https://www.biggerpockets.com/forums/51/topics/1075919-five-...   

If you have time to secure this loan through a bank, I would strongly consider it. 

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchanging "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

They have unsecured creditors of over 5 million dollars and secured creditors as either loans on properties and/or owners of properties.

Quote from @Gary Bonds: Any best practices when attempting to secure business funding from a bank, in the form of a loan or credit?

I did not read the rules around security deposits. you may be allowed to use those funds and still file a small claims action for any remainder, but I can't imagine that it would be worth it if you have at least one month's rent in security deposit. 

Overall, it is okay, but it still requires relinking the accounts periodically, which seems more security-related than anything else.