I would imagine most of us who have been into high end audio for decades own a hand truck, “sliders”, and a fulcrum to tip heavy weights so you can put the sliders under them. Also, we have brains.
I remember a few years ago I bought a large screen TVs. My partner is disabled. So, I alternatively placed books under it to bring it up to the height to tip it up into position.
The older I get, the more thought I must put into doing things safely. Or just pay someone to do it for me. I believe that is why I have been saving for retirement for the last 40 years.