Better Way To Put Castor Wheels On Heavy Work Benches - Jacks & Jack Stands - Lessons Learned

So on the first one I put the bench on the ground, making it extra hard to stand back upright. By using a second jack to keep bench right at tipping point, gave much more control and ease to stand up.
Here is link to first one I did, bad way: https://youtu.be/I2fXXpcg2ok