There are different types of crowd funding sites:
10 million was raised for pebble watch.
Money will mostly come from your own network.
Assessing the value of your network:
How many partners do you have?
How many people do you know?
Know how to reach them.
People generally give USD 20 for frequent crowd funding. Average is USD 75. You get from people you call. If you have 30 friends that you can reach out to, you can multiply by 75 USD and that is the raised amount.
Passion among your friends, fan and followers.