During the escrow/title process, you are finalizing loan documents, reviewing title documents (HOA disclosures if applicable, title reports, etc), obtaining homeowner's insurance, and preparing to wire your funds to title. 

Here’s an example of what I've used if they don't qualify based on what's on application. 

Proc. 2002-69, 2002-2 C.B. 831, for special rules applicable to husband and wife state law entities in community property states.

Is the portal a downloaded application or is it a web portal?

His "owner occupied" loan application is ok if he intended to live there when he applied.

These platforms typically have billing policies where you pay a per unit fee per month to the software and you get regular updates and support each month.There are a number of low-cost platforms available that are able to offer you a lower price by passing along some of the costs to your tenants (payment processing fees, applications, tenant screening, etc).

MD is bad compared to Ohio where piercing the corporate veil is a myth - applicable only where the owner (even 100%) has committed a crime or fraud.

If you are not familiar with lease applications/procedure/ and contracts, use a realtor to make sure you don't leave anything  out that can come back and burn you.

When they realized that it was held in an LLC they denied my application.

These requirements are solid, keep them: Application: Everyone aged 18 or older must complete an application.