Ask HN: Funding a project with launch expenses

I just figured out that I could dramatically improve my user experience and decrease my long term costs if I had some money from the get-go. I'm expecting the price to be around $5500/month at the time of launch, and it should raise slightly after each month.

What's the best way to approach this kind of situation? Should I launch on my own dime and pray I can get some sort of funding within a month? Or should I try and get the funding ahead of time?

If I go with the first idea, does anyone have any recommendations for closing a deal so quickly?