Gazelle’s Lock in Your Price Plan For iPhone As the launch date for a new iPhone gets closer, the value of old iPhones tends to depreciate rather quickly. To help consumers get the best value, Gazelle, the nation’s leading consumer electronics trade-in site, announced the extension of its industry-leading 30-day price lock guarantee to up to 50 days for orders placed before September 10th. With this extended price lock, consumers can get today’s trade-in price for their old or unwanted iPhone, and hold onto their device until after the new iPhone is in hand. Consumers who lock in an offer between today and September 10th will have until October 15th to send their old iPhones to…