Not too long ago I've come across one post which I believe you might find interesting. Somebody may take a steaming dump all over it, however it clarified some of my questions. 
<a href="http://ti-dasar.lab.gunadarma.ac.id/invest-in-dissertation-pay-for-tailor-made/" / rel="nofollow">http://ti-dasar.lab.gunadarma.ac.id/invest-in-dissertation-pay-for-tailor-made/</a>