Asking everyone you know for introductions is a recipe for disaster.
All investors are not created equal, so your most important job is to identify your ideal investor before you start looking for introductions. Which means that you need a clearly defined ask and awareness of what kind of investor is a good fit for you.
Talking to Investors is Step #3 of the process, NOT Step #1.
Grab your roadmap to funding here, and see what you need to do in order to build your ideal investor profile!