How to buy points and miles for less than a penny

With most airline and hotel programs, the value of points and miles is significantly more than 1 penny each.  For example, I recently redeemed only 3000 points to book a Sheraton Hotel room that would have otherwise cost $300.  In that case, each point was worth 10 cents!  If you want to take advantage of great deals like these, consider buying points and miles via this hack: http://boardingarea.com/blogs/frequentmiler/2011/09/28/how-to-buy-points-and-miles-for-less-than-a-penny/