If you can't make an automation tool in 2022, you're 10 years behind. Keyword research is harder than creating those tools. Believe it or not, it's how it is.
Most people won't be able to learn how to do good keyword research and will know how to take a course and start coding apps. And creating tools doesn't even require coding.
The journey seems to be going in the right direction. The OP understand high costs are the roadblock and he is getting rid of them.
SensitAI owner tells his tool is one of the most expensive on the market and he will work to lower the price in the future. For now, it's too expensive for AI.