Advice For Your YC Application
blog.hipmob.com
blog.hipmob.com
"My advice is 3 points to communicate in your application. 1. You have revenue or a plan to make it 2. You and your co-founders are a solid team 3. You will pursue this even without getting an investment"
Makes all the difference in the world. If you're doing a startup contingent on getting into YC, its worth re-thinking. YC helps, but startups are still hard regardless.
He basically says to lay out the unknowns, and systematically work towards making them knowns. Good luck!
I agree that if you don't pass the conviction 'sniff test', it's really hard to grind through the ups, downs, and fundraising.
[1] https://www.lollipuff.com/blog/102/lollipuffs-ycombinator-ex...
[2] http://venturebeat.com/2013/09/20/how-to-write-a-winning-y-c...
Not just your idea - also important to believe in yourself and your team. In many ways this will supercede the idea because the idea is just one manifestation of a solution to a problem that you're solving. With time and experience your understanding of that problem will evolve, as will your solution.