Follow the fundraising plan to achieve the milestones for the financing round you will go through when approaching investors (Seed, Series A, etc.)
Prepare a list of potentially interested parties.
Create your marketing material to sell your company to investors. For early-stage companies, it usually is enough to have an Executive Summary or One-pager of the company, a pitch deck and a technology deck.
Get a warm intro to investors and plan to end up the process with more than one term sheet on the table to give you room to negotiate!
NDAs are not often used in the VC industry as the relationship is like a marriage and should be based on trust.
Don’t raise a super high valuation at the beginning of your startup journey that could risk losing the next round!