Would the costs of maintaining and getting the license up front be worth it if I am not going to actively use it?  

Now you have to pay another fee, to own, use, lease, license, permit, grant, or manage/maintain-- your OWN Drive to your OWN house.   

If you do decide to rent it out, sell within 36 months to at least maintain a portion of the tax exclusion.  

As far as Society Hill, it's a very big development, so lots of neighbors and kids, but the area is more commercial, not really nearby anything other than some big box stores and a few restaurants in strip centers, but it is safe, family oriented, parking spots for every home, and they're really nice inside and well maintained common areas.

In some states owning an LLC is expensive and/or the reporting is onerous and in others it is inexpensive and/or simple to set up and maintain.3.

The house only needs new carpet paint a kitchen window that's where they broke in a only stoke 2 small copper pipes thank god.

Well Maintained.

For starters you have to do more to maintain an LLC. 

The property is currently fully rented with long term tenants and leases in place.The building has been well maintained, but what is your recommended maintenance percentage?

If you maintain the lawn, you may want to consider hiring an inexpensive lawn entrepreneur to do it for you.