1. Create a free Buffer account
2. Link the desired Instagram account in Buffer.
3. Link the same Instagram account to your Brand Settings
4. Connect your Buffer account to your account using the Integrations tab in your Brand Settings
5. Schedule your Instagram posts through your account and they will automatically be posted to Instagram.
Option B) Email Notifications
1. Link your Instagram account and specify a 'Publisher Email'
2. Create and schedule content as you normally would
3. When it's time to publish a post to Instagram, you will receive an email with all of the details
4. Simply copy the text, download the image, and post directly via the Instagram app