If you live in the Raleigh area check this place out.  My coworker bought a 15 foot Crape Myrtle for $35.00.  They have unbelievable prices; however, you need to know what you are looking for.  Check it out:  Broadwell's Nursery‎ 7110 Old Stage Road North, Angier, NC (919) 639-2952‎