We absolutely love it and are very interested in buying a multifamily investment property in the area specifically a duplex.

While the forums here may be helpful, those forums are private and specifically for LPs of any syndication deal, that niche group may have more expertise for you in this situation. 

Did you have any specific area in mind? 

This protects against potential claims and liabilities specific to the rental.For tax purposes, maintain clear records of rental-related income and expenses, allowing deductions for insurance, utilities, maintenance, and depreciation proportionate to the rental unit.

Dig into reverse mortgages before pulling the trigger on anything, specifically HECM's (FHA product).

Those effected go well beyond the property owners, the economic contribution of RE and subsequent economic loss in the form of: management, maintenance, landscaping, caretaking, hospitality, tourism, contracting, designing, pools and gardening is economically catastrophic and will reverberate well beyond specific zip codes.

They are a new international lender in Costa Rica offering 30 year, fixed rate mortgage loans specifically for American investors.

lots to learn here just browse around and you'll pick up on stuff and know where to hone in more im specific areas you are interested in. 

The problem is no one book is going to be detailed enough for your specific state and county.Right here on BP there are lots of discussions about tax liens.

Let me know if you need help with specific tools or anything else.