I do see lots of self storage and warehouses going up, so my default assumption would be that the old shopping malls do NOT trade for less than build cost, but it's possible that the marketplace is not perfectly efficient. 

Well, they are very efficient.

However, if the aim is simply to start basic operations or register an initial business, a virtual office can be a practical and efficient solution for the early stages.I hope this clarification helps.MontseOke yes so we are basically talking about the same thing. 

With retirement in five years, your focus should be on balancing cash flow, risk, and tax efficiency.

(we charge the same Processing Fee as depositing to our bank)4) Pay online using their tenant portal (we absorb the small fee, to encourage this behavior as the internal resources saved more than cover that fee)We understand we have scales of efficiency a DIY landlord won't.

Specifically, I’d love to hear about best practices for managing shared spaces, screening tenants, and setting up house rules.Additionally, I plan to split the utilities among the tenants—any advice on how to handle this efficiently would be greatly appreciated!

This experience reinforced the need for efficient budgeting and timely execution to ensure profitability.

Start by leveraging your skills to identify undervalued properties, perform cost-efficient renovations, and build sweat equity.

Those are very very important to run the property cost-efficiently. 

LLC-A deducts the 10% management fee, while LLC-B reports it as active income, subject to self-employment tax but eligible for tax-efficient salary and distribution strategies.Ensure the setup has a clear business purpose, reasonable compensation, and documented management services to avoid IRS scrutiny.