From the submitter:
No DIY project is complete without the possibility of a few casualties.
With ever-increasing gym prices, some people are finding ways to build their muscles on the job.
And due to superstition, the front door was never opened again.
They must have been having a fire sale.
So, this guy figured out that if one ladders equals one level 3 of them will get them right to the 3rd floor, quite intersting solution.
It has like, 8 different height settings