I think the purpose of the forum is for people to help each other, if you always buy something from rent when you need it, you will never be make able to do it and you will always be at the mercy of those who know.
Working with programs that we're not used to at first is a little tricky, but once you understand the logic and how it works, it's easy.
I have no experience with UE, but I've adapted skins from more recent chronicles for Interlude, I can try to do the same with Strider.