To be more realistic is first step :)
Nowadays accelerators accept startups that has built product working MVP, beta from A to Z & traction which is initial paying clients, thousands of subscribers, users who are actively visiting the website/app whatever.
You need to have some community & publicity authority as well.
And of course CONFIDENCE which comes from experience and success results already, not after funding..
At least that's my 2 cents from last 8 months spent on applying to accelerators, talking to VCs, graduated pre-accelerator.. in Europe.
Make sure to make your results visible - clients, case studies, finished beta MVP etc. process flows..
Good Luck with funding, but you will get access to funds when you already do not need it to develop the project, but when you need to scale it.. that is what usually happens :)