Do let me know of any other links from YC partners or Alumni that could be useful for startups applying for Y Combinator.
edit: Also, this site has a list of interview experiences of people who got accepted and rejected: http://ycuniverse.com/yc-applying-interviewees
In some ways reading about those who got rejected is a little more informative.
I wrote a blog post about 'Startup Istanbul 2014'. I have a section with quick advises from Michael Siebel to overseas entrepreneurs. It's pretty small list but I think it's a good quick-list of some general guidelines. The post is here[1] in case you wanna take a look.
[1] http://www.convalesco.org/blog/2014/10/05/startup-istanbul-r...