Mark Cuban's Black Amex Card Was Declined Trying To Buy A $140,000 Bottle Of Champagne After His NBA Team Won Championship

Mark Cuban once famously gave memorable financial advice: "Don't use credit cards. If you use a credit card, you don't want to be rich." He often shares this mantra on his blog and during interviews with financial gurus like Dave Ramsey. It reflects his belief in living within one's means, a solid principle for anyone looking to build wealth. Ironically, Cuban was in a predicament involving a credit card while celebrating his team's 2011 NBA championship victory. Don't Miss: Are you rich? Here’s