How to Customize Homepage When Launching Edge
Step 1.
Click the ellipsis () menu in the upper right. Click () Settings .
Step 2.
Under Open Microsoft Edge with dropdown menu,
choose A specific page or pages.

Enter URL as https://besthomepageever.com
and click save button () on right. That's it!
Important: You may need to remove any other pages listed by clicking the "X" to the right (i.e. MSN, about:start, etc.).
Accessing Homepage while Browsing
Step 1.
Click the ellipsis () menu in the upper right. Click () Settings .
Step 2.
Toggle the Show the home button to ON,
then below it choose A specific page under Set your home page.

Note:
Due to Microsoft Edge not allowing me to create an extension or allowing you to customize your New Tab page, you must switch browsers if you wish to control your new tab page.