For this I plan on charging 10%  of rental income as management fees to LLC-A.Some of the benefits of this vertical integration brought by LLC-B is: (a) Ability to contribute to retirement plans (solo 401K, etc)(b) home office deduction(c) health insurance plan premium, among others. 

We love the ability to move cash in and out of the heloc as needed.

This means you can sell, lease, or pass on the property as you see fit, just like any other property owner.Full Ownership RightsYou have the same rights as a Mexican property owner, including the ability to sell, lease, transfer, or mortgage the propertyLegal SecurityThe Bank Trust is a well-established legal mechanism in Mexico, ensuring your investment is secure and protected under Mexican law.Renewable TermsThe trust is set up for 50 years and can be renewed indefinitely, allowing you and future generations to maintain control over the property.Estate PlanningThe trust makes it easier to pass the property on to heirs, simplifying the inheritance process and reducing potential legal complications.Although the process might initially seem complex, it is entirely managed and supervised by a reputable banking entity.

If you are a legal property manager in your state the owner should have the unfettered ability to allow you to act as his/her agent to enforce the lease, whatever provisions they may contain plus whatever your state laws allow.

Quote from @John Friendas: Quote from @Chris Seveney: When buying at auction you will have zero ability to sue (and win) an auction site if information is not correct.  

But, the more you ask, the more details you seek, the more likely you will expose their true understanding and ability to manage managers.3) Again, this is all questions.  

Once we changed to charging a fee, proof of ability to close, good income, a sizable reserve and reasonable credit, the students not only started taking the training seriously but actually began buying properties for their retirement.

Over time, as you build more properties, the cash flow and equity from each one can be used to fund future investments, creating a cycle of growth.Why BRRRR Works: The BenefitsThe BRRRR strategy offers several benefits that make it appealing to investors:Leverage Your Capital: The ability to pull out equity through refinancing means you don’t have to wait years to accumulate wealth.

I think if you can nail that down you will be able to find a market easier.As a buy and hold investor some of the things that were important to me when deciding on a market were landlord tenant laws, price to rent ratio, housing demand, ability to build a team, large population 500K plus, multi-family availability and some other factors.take the process step by step and you will be fine. 

Your ability to identify properties and markets where you can generate equity (both imputed and appreciated) while using debt responsibly and knowing when is most appropriate to sell is how you acquire more real estate.