we were new to marketing. we searched around and took advice of some people who said us to try micro-influencers and medium.com. we took services of some writers and posted on LinkedIn and medium and it really worked out.
we could really then had 77 paying customers in 2 months and 4k mrr for our product. taking advice of your well-wishers really pays off. Ads were really never worked for us, so not doing it.
if you are curious: product is bigideasdb.com