Well, in this journey you've seen how to do the simple version of everything in personal finance, as well as the concepts. Now you should try to examine what's most important for you right now, is it earning more? saving more? or investing more? We can't examine this because it depends on how financially independent you already are and at what stage of life you are, which is incredibly personalised. 

Once you've determined the sector to focus on, try researching and implementing what you learn! This is the best way to make use of the knowledge gained through this jounrey. 

We'd also recommend doing the Tasks if you haven't, this allows you to get a hands-on experience and put into action what you've learned!