The Greg Smith Equipment unit is about 1/2 the price of similar OTC Power-train lifts. It weighs around 500 pounds !
https://www.otctools.com/products/power-train-lift-1650-lb-capacity
It is around double the price of a Roughneck lift tables from Northern tool -which may be marginally safe and too low.
https://www.amazon.com/Roughneck-Rapid-Lift-XT-Table/dp/B00NNQZYPY
This may be better:
http://www.gregsmithequipment.com/750-lb-Scissor-Lift-Table
I could rent it out to friends.
https://www.youtube.com/watch?v=O5IntdpIb14