You can write your topic however you want, but you need to answer these questions:
What do you want to achieve? Keep it simple and clear! I want to create a system which will hatch a pet and will put it into a folder.
What is the issue? The YouTube tutorials are out of date because their code shows some errors which I don’t know how to fix.
What solutions have you tried so far? Did you look for solutions on the Developer Hub? I have looked on DevHub but I couldn’t find anything helpful. I have checked here aswell but it only shows mostly how to make the actual pets.
I’d recommend you script it yourself without youtube tutorials as they are used a lot and you mostly won’t learn anything from them. I’d recommend you learn some basic courses regarding scripting on the roblox wiki and improve a lot later on.
The solution would be you, making a custom system all by yourself.