1. Rising interest rates
2. End of the $8000 tax credit
3. luxury market picking back up
4. Inventory rising
5. Job growth
6. return to "normal" - 2001 to 2005 gangbusters, 2005-2009 abnormally slow, 2010+ need based homebuying (relo, fam growth, etc)
7. REO/foreclosure inventory
8. ARM resets
9. Local variablity
10. Loss of interest by media
11.