Be confident, be courteous, and time will teach you what works based on your unique personality and skillset.

This is personal opinion and could be wrong so use at your own risk.1) Yes, it is possible to find deals where all of the cash flow for 5 years (and often more) is offset by depreciation. 

Get approved for a loan from either an HML or Private Money person- Why would they lend to you? 

Both land investing and multifamily are great but what's best for you is more important.Land has no cashflow and is speculating imo too so personally it doesn't fit my investment thesis of buying property that produces cashflow.

No question it's overbuilt nationwide, even though I personally love wine and visiting wineries.

If its in a park or you are just buying the mobile itself, then you are just buying personal property, like a car.

The DSCR loan is a great tool because it's looking at the income potential of the property, not just your personal finances.

I appreciate your response and hopefully we will get a chance for an in-person at one of the meetups. 

You've definitely come to the right place to build connections and learn, but you want to pair these forums, books, and podcasts with in-person real estate investing meetups in your area.

.: I would personally ask for a price decrease based on whatever estimate they got for the installation of that equipment (assuming you can get a loan without those things - depends big time on the bank - my local banks would do it for me).