Is the Hanover market something that anyone knows much about regarding its future economic growth in relation to the rest of this central PA area.

The sales and rental market in SWFL is absolutely terrible.

Assumed nothing could possibly go wrong in the next 5 years what you want when you look at an investment property is to know the current rental amounts, specific expense items, and conditions of the building, grounds, and mechanical systems.  

Look for one with established market presence and good reviews...company/brokerage reviews will impact yours.3) Find a mentor who is where you want to be in 5 years and do whatever you can to be near them or learn from them.

If you don't have MLS access it's tough to find actual rented data, however you can use apartments.com to see active listings and gauge rent comps by days on market.

Love hearing about what’s working (or not) in today’s market—especially on the multifamily side.

Cold calling is almost a forgotten tactic but its the strongest marketing tool in most cases.When it comes to land you can find the owner of lots through the county assessor or tax records under owners.

Determine a suitable market, type of home, and satisfactory set of financial conditions for your purchase.

There are no laws restricting mark-to-market rents. 

Just a heads-up: with the way the insurance market has been here over the past couple of years, this is accurate as of today, but things could look very different (for better or worse) in 6+ months.