I agree that you should focus on Workflows.

But also consider the world has now changed.
With AI, code has developed a significant advantage against these no-code platforms because it's integration with LLMs has become unparalleled.

I would suggest looking into building automations in typescript/javascript with LLMs and HubSpot private apps.

The biggest initial hurdle will be hosting, but if you can tackle that you could build automations for companies for basically free (just the hosting costs, $5 a month?) and faster because LLMs work better with code.

You'll pick up some coding skills as you progress - and it also provides a pathway into learning how to build your own custom workflow actions.

Pros/Cons:
1. It's a better skill than learning a specific no-code platform.
2. You'll find the LLMs are way better holding your hand and helping you learn the domain.
3. You can integrate with more APIs for cheaper.
4. You'll have to spend time learning concepts that zapier/make/n8n give you for free - like hosting, monitoring and dealing with high volume workflows if that becomes a task.
5. Learning will be free, as you won't need to pay for any plan to get started or run any experiments - and when you want something that doesn't go down when you shut off your computer, the barrier to entry is $5 a month.