Community banks generally have no seasoning requirements.  

Is there a minimum balance required to avoid fees?

ADU zone expansion is not certain, and even then who knows what the rules will be (owner-occupied requirement, etc).

Also do research on what's required to properly manage a LLC so the veil cannot be pierced. 

We're looking to gather info about likely cost, pitfalls, time required, considerations when obtaining financing, etc. 

Some banks required us to get full apprasial if loan was over a certain amount 500k. 5.

If the income requirements are met, credit looks good, and employment history ( at least 6 months +) at the same job, move forward with the applicant and request additional deposit.That's an old eviction IMO.I have a current tenant that I leased to with low 500 credit.

• Who is responsible for pulling permits (if required)?

Also, if there’s a mortgage, transferring it to an LLC could trigger the due-on-sale clause, requiring lender approval.Better Alternatives to Avoid Reassessment & Save on Taxes:Living Trust (Best Option) – Your aunt and stepfather could quitclaim their interests to your aunt, who then sets up a revocable trust naming your mother and you as beneficiaries.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?