Monetization is one of the main issues with chatbots.

There are a very small number of bot experiences that the general public is currently willing to pay for and through research. And it's a real problem.
So these are three core features needed to monetize bots in our current ecosystem that are capable of generating significant revenue. Don’t want to waste you time, just take a look at the article and then take actions 💪🏻

⌚️11 min read (long one)

https://medium.com/@kemardarlington/the-features-you-need-to-monetize-bots-a5e40cffef18

Other monetization tools are here: https://github.com/BotCube/awesome-bots#monetization