Simple but helpful script starting with zero knowledge will only take a few days.
if you wanna have fun while learning I found making a main and trying to bot it to max with only your scripts good fun
Theres plenty of free tutorials available online.
Learn basic java -> find osbot specific tutorial -> ask any questions you cant find the answer to when googling.
dont need to pay someone for free knowledge
google anything you need and a lot of it is already answered.
https://osbot.org/forum/forum/181-sdn-requests/
steps to becoming an official scripter is here
code rules here