And I have received only 3 completed applications in return! 

There's numerous industrial and chemial plants several miles away and a lot of workers are from out of state getting paid great money and are willing to pay a bit more or split to have a nicer place than some of the basic trailers they usually set them up in.

Some areas have a legal requirement for multiunits over a certain size to notify new applicants that a meth lab was located on the premises.

We had about 10 applicants the first weekend we posted it, so there's lots of potential in that whole north Raleigh area.

I also noticed there is little blurb about "aluminum wiring" on their application of which, I'm sure these homes are at risk of having (I don't know for sure) which is why I want a policy with code upgrade if there are any problems (i.e. a fire in the panel which would require re-wiring a portion of the house).Anyone else have experience with older homes that could recommend a solution?

As the new owner, you should have received a copy of their lease and application(if they ever had one) and a rent roll with their previous payments so that you can put the correct amount that they owe on their 3 day notice.

Does Home Park's proximity to Downtown and Tech give it an advantage over the numerous hotels in the area?

We didn't charge for application and deposit but they end up moved out early without 30 days notice from the contract they signed .

Of course real estate investor would be the easiest out of the choices because there is no formal education or licensing requirements and there are numerous ways to invest in real estate.

I always thought of these components going hand-in-hand,  but noticed that in most books they are  discussed in completely separate sections.No... siding, housewrap, and drywall are completely different trades with very little in common other than an application over studs.