Is the Bill Vaughn's "Simple Man's Guide to Real Estate and more" a good resource to learning about real estate.

The BiggerPockets podcast has been an amazing resource.

Was wondering about what zip codes to invest in for rentals, or what resources to use for researching neighborhoods.

Unfortunately, as you probably know, it still takes time and resources to defend a lawsuit you will win. 

Be sure to join NARPM so you can take advantage of the resources and conferences there to assist you.  

The homes will simply be older, the land obviously the same size, however the revenue may have gone down by half if you decide to sell these properties and simply collect lot rent, which may cut your gross income in half.There is definitely a lot more to consider that I am not including in this quick comment, however in my opinion this park may not be the best use of your time, energy, and capital.. at it's current price.

Go to ncrec.gov for any info & resources.

BP is full of resources.

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i would connect the two so that it turns on when the light is turned on, if separate chances are they are not using it.as far as the bedrooms, i don't know the construction out there, but i'm guessing the walls are not that well insulated and with the a/c inside and hot humid outside, that can cause this if not broken by a well insulated wall. this is a major health problem inside and needs to be addressed, see if there are any energy co. out there that will test the insulating value in the house where they install a fan at the door and check the house for leaks and insulation value.