A startup needs 3 things: an idea, a team, and money$^1$. And while all three of these things are vital to the enterprise, the money may be the hardest one to find and keep around. That said, there's certainly no shortage of potential investment in the world, you just need to know where to look. I'll cover a few of your options here. You might consider...
...if you're going the classic route and want to become a silicon valley billionaire.
...if you want to leverage your connections and hedge your risk by turning customers into investors.
...if you're ready to tighten your proverbial belt and make do with what you've got.
There are other options I didn't talk about at length, including:
The final takeaway is this: don't feel like you need venture capital, or to quit your day job, or to take on a loan. You can get as creative here as you did when you came up with your venture concept, and there's advantages and drawbacks to all of these approaches. Only you can decide what's best for you and your project.
If you've gotten through everything above, I've covered most of what I was hoping to share with you about entrepreneurship. If you'd like to circle back to anything, you can do so at the Table of Contents below. If not, head on down to the parting words.