Wishlist time!
South Gate Renovation:

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I would pull the gate out in front, add a few more ticket booths, and place a planter in the center with the original Carowinds logo on it (as seen here:
http://carowindsearlyyears.com/logo-trans2x.png). Possibly without the flags since the south gate is in South Carolina.
On the inside, I would place a replica of the Pineapple Fountain in the center of the plaza (as seen below). On the left side, I would replace the current kiosk with a gift shop similar to Traditions at the North Gate, along with a new information center. On the right, I would add a new bathroom. The pathway leading up to Afterburn would be replaced with Brick Pavers.

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Now, for my new themed area: Lowcountry. Lowcountry would be themed to Charleston and it's surrounding region. The first area you would enter from the South Gate would be themed to the Charleston Naval base. It would include Afterburn and a Gerstlauer Skyroller with a similar theme.
Dinosaurs Alive and the bathroom next to it would be replaced with a new, GCI family-racer similar to Joris en de Draak named "Charlesteed." It would be themed to a Charleston horse carriage tour turned into a race between the tour guides. It would run over and under Intimidator, leaving space for Planet Snoopy expansion. The area where the bathroom is would serve as the ride plaza, and the Dinostore would become the ride's gift shop.
The next part of Lowcountry would be the western half of the Carolina RFD. Boo Blasters would be replaced with a Triotech dark ride themed to a haunted Charleston mansion. It would use screens and projection mapping, and the queue would be enclosed.
Chick Fil-A would be replaced with a seafood restaurant themed after the park's lost Riverboat Attraction, and a Captain Buddy Animatronic would greet guests as they walk in.
Concept "art" is displayed below:

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I have way too much free time on my hands. Three weeks left of summer!