You can create a post and save it for later by creating a Draft. To do that:
1- Log into your Simplified account with your email or Google/Facebook login.
2- Open your Social Media app.
3- Click on Schedule Post.
4- In the upper right corner, click on the + New Post button.
5- The creating post box will be displayed.
6- Create a post by writing the content and adjusting it to each chosen account.
7- You will see the Save Draft button at the bottom of the creating post box. Click on it.
8- Select the preferred publication time.
9- Click on Add Draft and that's it! 🥳
Related: Where can I find post drafts?