We get about half of our properties from other companies that are tenant occupied so this is very common in my market. 

FHA, or owner occupied investments?

The only use case I know of for SBA-backed loans to finance real estate is when a non-RE business owner-occupies at least 51% of the property, such as an attorney firm buying the office building where their office is and leasing out the units they don't use. 

Refi loan from construction to owner occupied loan (preferably conventional)8.

@Marcus GriffinTypically as part of a modification the bank will have a “shock package” which includes information and forms to be completed by the borrowerOn those forms there are questions like will they or do they occupy the property, there income, do they plan on keeping th home.This is equivalent to lying on a bank application which is most likely considered fraud Not providing legal advice but this is definitely a very slippery slope you are getting involved in.

The home has been occupied by tenants for the last several years.I would plan to have the underside of the roof painted in the attic to cover up the black coloring.

Next, he wanted to check the circuit breaker.When it came time to inspect the indoor unit, I informed him that I needed to ring the doorbell since the unit was tenant-occupied.

If detached, the ADU must typically be placed in the backyard and occupy at most 30% of the backyard's footprint.Having separately metered electric service is advantageous for managing costs and billing tenants.Adding an ADU can potentially increase your property value.

I’m actually looking to owner occupy, so having the tenant vacated would be great. 

Tenants have the right to pay what they owe to stay, unless you're owner occupied.