People will hear podcasts online about how a 25 year old investor bought 65 billion properties in one week and think that they have to do the same thing. 

I use Quickbooks online for the formal accounting so it's easy for my tax guy to get in there and do his piece every year, since I have an LLC per building.

Do you believe online accounting services like 1800 Accountant are good for the owner of a Real Estate LLC?

A friend of mine attended one and found it incredibly helpful..they even walked through actual deals they've closed in the area.Don't overlook online resources either.

A professional contractor is not going to work with you buying parts that don't fit online or at Home Depot.Who pays for delays?

We have worked on improving the physical appearance and infrastructure of the park, updating the homes, getting a new sign, advertising it online, and creating a website (www.shadyacreshuntington.com).

Should I be visiting, asking neighbors questions, getting a feel for the neighborhood and home (in person rather than just off of online research) before buying or making offers? 

There's a lot of bad information available online and its not prudent to rely on most of what you read.

Some of the upgrades look great from the pictures I saw online.

This one is available online for free at nfpa.org.Much of what's in these docs doesn't apply, because they cover a LOT of ground.