There is no correct price, but there is a wrong way to arrive at one: picking a number that sounds reasonable to you. You are not the buyer, and what sounds reasonable to you is anchored to what you earn rather than to what the channel is worth to them.
Start from what it replaces
A paid channel is nearly always cheaper than the thing somebody would otherwise do. Work out what that thing is and price against it.
- A signals or research channel replaces time reading and a subscription to something more expensive.
- A community replaces a course, or an hour of somebody's attention.
- A drops or restocks channel replaces missing out, which is worth what the thing costs.
If your channel saves somebody two hours a month and their time is worth anything at all, you are not pricing against zero.
Pick one price, not four
New sellers offer a menu — monthly, quarterly, yearly, lifetime, a trial and a student rate — and then wonder why the conversion is poor. Every extra option is a decision the buyer has to make before they can buy, and a decision is a place to stop.
Start with ONE recurring price. Add an annual plan when enough people have asked for a discount. Add lifetime only if you are willing to serve those people for ever with no further income from them, which is a bigger promise than it looks.
Raise it on new subscribers first
The fear of raising a price is losing the people you have. So do not touch them. Change the price for new subscribers and leave the existing ones where they are.
You will find out within a month whether the new number works, and the people who have been with you since the start now have a reason to stay that has nothing to do with the content. That is not a trick; it is just fair.
What the numbers will tell you
Two figures are worth watching and the rest are noise at the start.
- How many people who start your bot end up paying. If that is very low the problem is the offer or the price, not the traffic.
- How many are still there in month three. If that is low the problem is the channel, and no price will fix it.
A price is a hypothesis. The only way to test it is to change it and watch,
and the only safe way to change it is on people who have not bought yet.