The most important thing in launching a crowd funding project is to plan your pre-launch preparation properly, according to Johnathan Leow in his book Crowd Funding Checklist: The 90 Day Action Plan for Turning Your Idea Into a Best-Selling Kickstarter Launch. You will have to do many things, such as crafting your product message, setting up the campaign page, and building a base of interested audience prior to launch.
My full review of the book is available at my business book reviews website.