Filed under: Retail, iPhoneMacNN is reporting that US big box store Best Buy will begin selling iPhones on September 7th. The move could help reduce the long lines that are still developing at Apple and AT&T stores. You may remember a rumor about this last month. Best Buy has been slowly developing a retail relationship with Apple. A few years ago, certain locations were given Mac minis to sell. That program has matured to the “mini stores” in place today. AppleInsider suggests that a majo