Find the niche groups and continue to dig deeper

It depends on the type of your product. Different types, like B2B and B2C, are marketed differently.

Referral (word-of-mouth) marketing is one of the most effective marketing methods because it requires people to talk about your product to raise awareness and increase sales. Additionally, combining this approach with local seo consulting can amplify your efforts by ensuring your product is easily discoverable by your target audience. Focusing on local keywords and optimizing online visibility will enhance word-of-mouth recommendations and drive more traffic to your business.

I'd start with social media marketing.