Go where your customers already are and become a part of their community. Be a long-term person in a long term business. If they don't have a place, make it.
If you have that, you're on your way to Product-Channel Fit [1].
Low level:
I've also sent pointless emails and made useless phone calls and most people default to doing nothing when you contact them.
So:
If you think phone/email are where your people are, you need to follow up a lot. Steli Efti has lots of great content on this type of thing [2]. This is an unpopular view on HN because most people see this as spam, but this is what CRMs are built for.
Go where your customers already are and become a part of their community. Be a long-term person in a long term business. If they don't have a place, make it.
If you have that, you're on your way to Product-Channel Fit [1].
Low level:
I've also sent pointless emails and made useless phone calls and most people default to doing nothing when you contact them.
So:
If you think phone/email are where your people are, you need to follow up a lot. Steli Efti has lots of great content on this type of thing [2]. This is an unpopular view on HN because most people see this as spam, but this is what CRMs are built for.
[1]: https://brianbalfour.com/essays/product-channel-fit-for-grow...
[2]: https://blog.close.com/follow-up/