From: ED on
This is an eye-opener. It's good to be aware of these traps:

http://www.edmunds.com/ownership/maintenance/articles/152366/article.html?mktcat=nl-internal_promotional&kw=may2010+main+story&mktid=nl57380195&msite=w&om_u=MguFOy&om_i=_BL4u3rB8HTrCYX&