It’s easier to dominate a small niche market, and then scale up, instead of getting a small share of a big market.
Choose a small market that really needs your product.
Don’t try to market your product to people that don’t really need it.
Don’t aim to get 1% of a big market.
Or even worse, 1% of a market that is already dominated by the competition. This does not work.
When you dominate one niche market, it’s time to scale it up to other markets/niches.
There is a trend in silicon valley to disrupt everything. However, it’s connected to unprofessional work, or threatening existing companies, which can easily destroy you.