You're writing good already.

Make sure to cite sources of images used on your post.

And have you discovered LeoGlossary yet? It is nice to link in some keywords from it too :) You can check this post by TM on how he did it. Note the highlighted words when you click on them, they bring you to their leoglossary definitions). Not a requirement but it helps.

Also, if you want to create evergreen contents that will earn you in the future, check out @leofinance posts to learn more about it.