There are thousand ways to sell your idea in the marketplace of them.
Every NFP org out there (and there are a LOT of them) has the schtick to get you to part with a few of your dollars so they can continue to operate. Lots of causes know how to use Kickstarter and IndieGo. Public radio shills to you by reminding you three or four times a year how you listen to them and need to pony up a couple ducets to keep listening. Hell, even the multitudes of homeless are trying get a few ounces of silver and ask you as you pass the Starbucks for it with a hopeful but determined look.
The techniques range from
You Can't Live Without This Thing
You Can Assuage Your Guilt By Giving Money to This Thing
Without This Thing Society Will Collapse
TRUMP Hates This Thing So Pay Me For It!
And then there is this: