I need some help with my game idea. But I have no money.

Could someone please leave me some links to tutorials as well as free content that is compatible with UE4?

I want to make a adventure/action/parkour game involving the third person shooter theme.

You can start here by looking for and reading threads that pertain to your desires:

There’s a search box in the top right corner too.

there is a lot of assets on learn tab section and you can use it on any ue4 project. Enjoy !

Found this link the other day, may help: List of UE4 tutorials