Costner, who has been extremely inconsistent thus far this spring with the Playaz Basketball Club, played at the Tournament of Champions this past weekend and took an unofficial visit to N.C. State on Monday.
"I liked NC State a lot," Costner said. "I like Coach Sendek. He showed me a couple of videos on how they play, and I do play like Marcus Melvin. They showed me around the RBC Center and it was nice. It was a good visit."
Costner took a tour of the RBC Center and also got to see the rest of the campus within his three-hour unofficial trip.
``It went pretty well," Costner added. "I like the staff and their style of play. I had my name and picture on the Jumbo-Tron. It was pretty cool. I got to see the dorms and the campus. It was a pretty good trip."
Costner has already taken one official visit to UCLA and three other unofficials – to Virginia, UConn and Seton Hall. He is also considering St. Joseph's, where his father, Tony, played – and has Indiana, Michigan and Kansas among his top eight.
``I'm still trying to get it down to five schools," added Costner, who won't take any more visits this summer. "I'm not going to rush a decision before the end of the summer. I don't think so. I don't want to make a mistake."
Costner will head to Portland, Ore., for the Rose City Classic, then play in the AND-1 High School Championships later this month before heading out to Colorado for the USA Olympic Festival. July will be packed with the adidas Superstar Camp in Georgia, the Playaz Ball, Las Vegas and a tournament in California to conclude the summer.