Apple has started selling the iPhone 3G online in the U.S. Previously, the handset was only available from AT&T online—both new and refurbished—and from physical Apple Store, Best Buy, AT&T, and Wal-Mart locations. Before purchase, customers will have to pass an eligibility check, and select a rate plan if necessary. Pricing for the handset remains at $199 for the 8GB model and $299 for 16GB versions; it is unclear whether Apple…
