Autocad - Drawing with Grid and Snap mode. Is it useful?

Tutorial to Draw with the grid and snap mode technique.
Download the exercise in the following link:
drive.google.com/file/d/1sULl...
Contents:
0:00 Intro
1:07 Change Grid colors
2:08 Grid and Snap technique
3:12 Exercise
5:20 Important tips
If any questions...don't forget to post on the comments section.
Licence:
The video shows the version 2022 of Autocad® and it is used exclusively for educational purposes.
Autodesk screen shots reprinted courtesy of Autodesk, Inc.
The narration and all the illustrations were created by CAD in Black.