I build the second page of my site which is a lot like the home page so this will be a bit of a review.
Towards the end I trash the Sample Page that comes with every new WP site. When you trash something you can always get it back from your trash just like you can when you trash a file on your computer.
Word To The Wise Which Means You
Late in 2018 WordPress released v5.0 and with it a new page editing system k/a Gutenberg. I have lots of videos on Using Gutenberg. I've written extensively on Gutenberg which includes WordPress In 2018 Is Getting A New Page Editor And It’s Called Gutenberg.