Same for all the major components of the home that wear out: windows, siding, finishes, driveway, appliances, mechanicals, sewer line etc.

Most will send one message and forget about it. 

What are the terms for getting a loan for buying land

The areas you indicated above are a great place to start.Whats also important to understand about the Phila market is forgetting about the School District.

Forget about the camera issue.

You can do this daily, weekly or monthly - don't recommend annually as you'll forget what things were for.

I’m a small property owner and learned this one the hard way.I've used Zillow and it's been great for getting eyes on my listings, but I’ve stopped trusting it as a final screening step.

But other than this three-year window, borrowing money to buy a vacation rental AND immediately posting a monthly profit have NEVER been a realistic expectation in the Smokies.  

Don't forget, Bigger pockets also has their own podcast discussing these strategies. 

When the HML loan comes due, profits sail out the window if you are still working on it or the market has changed.Having a REALISTIC timeline and then add in grace to take care of unexpected issues which almost always come up can avoid those expensive lessons.