Or should I set up an LLC first?

That is NOT a set of goals, a plan, or even a target.  

So I'm getting ready to head to the bank to hopefully set up a line of credit.

I'd encourage you to find an agent that understands real estate investing and have them set you up on searches with the keywords "motivated" "seller carry" "lease option purchase"If you are playing at the auction then you are swimming with sharks - even the savviest of investor would be outmatched for the guy's doing it day in and day out in that arena.

This sounds like a property that you did a great job on the rehab making this a set it and forget it rental. 

Landlords are wanting to end leases so they can strip out all of the water damaged materials before mold sets in, but the tenants are refusing to leave because they have no place to go.

I was fortunate to have a savings fund my parent set aside for me I was able to pull out from after college.

Here are some good places to start:http://www.biggerpockets.com/meet - find and connect with other BP members that are in your area.http://www.biggerpockets.com/alerts - Set up keyword alerts to be notified of the topics that interest you.And, of course thehttp://www.biggerpockets.com/forums - ask any question about real estate!

Realtor.com, etc.) and still I haven't achieved my goal of acquiring my first investment property.The properties that I had my eyes set on at the auctions/sheriff sale have all been stayed (every time).

Looks like it merges list and such.30 day trial available.If it's not a zillion leads, in Excel, you can set up macros to highlight duplicates.