Top 10 Reasons To Buy US Airways Miles with the 100% Share Bonus

Now through Sunday, April 13, US Airways is offering a 100% bonus on shared miles. It’s a tiered bonus, so to score the full 100% you must transfer 30,000 miles or more, but this is an amazing deal because it basically amounts to “buying” new bonus miles at the rate of 1.1 cents each, which…