Affordable feature discovery like Appcues, Chameleon,...

Hello fellow indiehackers!

As a long time passive reader of indiehackers, I'm now finally asking you for advice and feedback :)

Quick intro about myself to give you some context as to what I need your help for: I'm the founder and CTO of findheim.at, an innovative Austrian real estate platform based on a smart recommender system. We have many many cool features that our power users really appreciate. For example, hiding those results which you don't like. But most of our users don't really know about those features because it would require at least minimal introduction.

I would like to use contextual tooltips for feature discovery, similar to how Google Analytics, Facebook (any other large website) tells you about new, existing features.

There already exist a few SaaS tools that you may know, such as Appcues, Chameleon, Pointzi, Pendo, and many others. As they calculate the costs based on MAO/MTU (monthly tracked users), it can get quite unaffordable for a small startup, business or indiehacker. I understand that it gets expensive for those SaaS providers to handle all these incoming user events to allow targeting/segmentation.
While there are a few open source libraries like intro.js, unfortunately they are too basic and don't allow dynamic user targeting.

My idea is to develop a very simple user segmentation and targeting service which allows you to create custom rules/campaigns to trigger tooltips next to your features. Main USP is that it is open source and comes with a very easy self-hosted setup (e.g. Docker). This self-hosted infrastructure would allow small businesses to have this great toolset and allow users discover their most valuable features better for a fraction of the cost. Best example for this combination of open source and hosted version is unleash feature toggles (they have both a very easy to setup open source solution, as well as a paid hosted version)

To actually earn money, I thought I could offer a hosted version to those who don't want to use their own infrastructure. As I don't want to get as expensive as other competitors, I still have to calculate prices and limit usage somehow.

What are your thoughts? Are you actually in need of some sort of feature discovery tooltips? Would you rather self-host or use a paid hosted version?

Thanks a lot!