What are some things I need to do to protect myself in regards to maintaining/ and fixing problems as they arise in multifamily units? 

Plus your rentals should cash flow enough to maintain cash if rents should lower due to the economy.

Usually, I'll sell a note because I have an over concentration of a particular asset type or product type in my portfolio and a regulator or examiner has told me they recommend (or require) that I reduce that concentration in my portfolio.

(sorry about the bold I can't turn it off) Classes last anywhere from 6 - 12 weeks and the AKC maintains a list of classes and certified trainers on their website.

I spend my weekends maintaining their rental.  

Unless you're going for the crazy hard solids like cherry or walnut, engineered will be easier to maintain and last longer.  

—In all criminal cases, contempt cases, and other cases filed pursuant to this chapter, if a party has sold, leased, or let real estate, the title to which was not in the party when it was offered for sale, lease, or letting, or such party has maintained an office bearing signs that real estate is for sale, lease, or rental thereat, or has advertised real estate for sale, lease, or rental, generally, or describing property, the title to which was not in such party at the time, it shall be a presumption that such party was acting or attempting to act as a real estate broker, and the burden of proof shall be upon him or her to show that he or she was not acting or attempting to act as a broker or sales associate.

You learn over the years how to weave your schedule into the fabric of your life and still maintain a sense of balance.

The grounds were well maintained, and this boat looked like something Hemmingway would’ve written about.I thought to myself that being a farmer looked like a lot of work.

Either way it's going to cost time/money to setup/maintain, and do you think it's worth this effort?