Managing content is a must nowadays. It is important to share knowledge and especially if you want to attract the right customers. Even though it takes only a few clicks to get to another page or post these extra steps can break your flow. Studies show that when you get interrupted it can take 15 minutes if not more to get back to where you were.
Since you want to be super effective here a free plugin called Orbisius Quick Nav allows you to quickly switch between pages, posts, WooCommerce products, orders and other custom post types with ease.
Even if you have many pages or products it has a filter that simplifies the search.
Download the plugin from WordPress.org
https://wordpress.org/plugins/orbisius-quick-nav/