A billionaire NBA team owner is replacing cushy courtside life with a hardcore business grindset Portland Trail Blazers owner Tom Dundon is slashing costs after paying billions to buy the NBA franchise. Soobum Im/Getty Images Portland Trail Blazers owner billionaire Tom Dundon is generating lots of headlines for his cost-cutting. The businessman's style is reminiscent of the hardcore culture that is spreading across tech and the wider business world. Mark Cuban told Business Insider that the era of increasingly expensive franchises adds pressure to position for success. Despite playing on the hardwood, NBA players are used to a pretty cushy life. The billionaire owner of the Portland Trail Blazers, Tom Dundon, appears to be changing that with moves that echo the hardcore grindset culture increasingly popular in the business world, where employees are expected to do more with less. Of course, the Trail Blazers are a professional sports franchise.…