Will they lose their ability to deduct bonus depreciation against their regular 9-5 income for all future years?

Here's the secret: Use a private lender for your down payment/closing costs, and a regular private lender for the debt.

Your property management company should be doing their due diligence to check on vacant units regularly, especially after a certain period, and keeping you informed during the vacancy.Unfortunately, when it comes to damages caused by a squatter, those typically fall on the property owner, unless your management agreement specifies otherwise (it likely does not).

I live in the Tahoe takes regular upkeep from the snow to the intense sun to wildfire risks. 

I assume you know how to interact with your architects and engineers.

Do you perform regular preventative maintenance to avoid emergencies or are you more reactive?

Regular sale, where you have to pay for pre-sale rehab, commission (5-6%), tax (20-30%), and recapture of depreciation.2.

Most of us who own RE came into it from somewhere else - either from working a regular job and squirreling away investment money into RE or working in a RE career and acquiring properties in the process. 5.

Use the "extra" income to build a reserve for maintenance, vacancies, and other expenses that don't happen regularly.

But then, you have to inspect regularly and become the couch police.