Recently I have began a new tech start up and right now of course it is my baby.
So far video animation is complete describing what the product does.
I bootstrap my kids ( businesses ).
Usually I don't look for outside investment but in this situation I need an adviser to help guide me in the right direction.
Being in NYC, it should be pretty easy to find one, but how would I approach them?
Advisors and investors are not the same thing. All investors should advise, not all advisors should invest. Generally, you shouldn't cold-approach either, it's just not effective.
This is a space you know (hopefully!) so reach out to contacts whom you respect and start small. And remember, you are the one asking for a favor with very little to offer in return right now.
Don't ask them for a day or an afternoon or to serve on a Board of Advisors and sign an NDA, etc.
Instead, find an event, meetup, etc you're both attending and ask them to meet up an hour early for coffee. It's time-bounded and not out of their way.
Regardless of how that goes, thank them via email or phone afterwards. Even if they don't know how to help you or it's not a good match, civility and politeness wins the day.
If it does work, invite them to coffee or dinner again in a month.
At every step, be clear that you're looking for advice. Better, if you take their advice, let them know that you did and how it worked out.
Throughout this, you should be prepared for a few things: