This implies that currently you are likely better off purchasing a property with the existing external ADU than adding your own.Good luck

Once you get more properties and economies of scale, it might be beneficial to onboard a tax professional as an external member of your team who can have the deep conversation with you.

Tenant Communication: There are two general levels here: internal vs. external. 

I guess location is a key in this instance because I don't have an appraisal to sway my opinion on style, condition or any internal or external obsolescenceEither way, I could be wrong and the OP may have strong comps to support that value. 

Generally though, I agree and the goal would be to not only get on a path to independent retirement free from external dependencies as well as overcoming the hesitation to take the steps necessary independently, without my help or mentorship.

It would be our primary residence, but has an external 900 square foot garage that we would turn into a casita. 

You will need an external resource for phone #'s and email addresses (White Pages, Spokeo, Cole Realty Resources, etc.).

Marcus only allows to wire money to an external account if that account is owned by the same person as the Marcus account. 

It's what they do and how they do it, not their size or how they're organized.I think you might find value in bringing on a CPA or EA as an external partner to assist you with your compliance obligations... 

That will help us evaluate the Purchase Price better and the external conditions that could affect your rental.