We all know that the Red Scarlet is the cheapest, is it?
the RED Scarlet sells for less than $10K, but to operate it you need:
So if you add all the cost together the price is over $15K
on the other hand The red scarlet shoot 4k resolution and the canon c300 1080p wich makes a big difference between the 2 camera's.
For more info check out Ryan connoly's review.