It is not a "payout" system that prints cash; it is a training and funnel tool that requires you to drive your own traffic to external offers to see any results.
Personal experiences from users vary significantly based on which "CaDA" they are discussing: da cada
feature complex, functional rotary engines and independent suspension. It is not a "payout" system that prints
Their Master Series (like the 1:8 scale Supercars) is significantly more challenging than standard Technic sets and is aimed at advanced builders. da cada