DisneyCollectorBR makes anywhere from $4.9 million to $13 million, making her quite possibly the richest YouTube millionaire. What adds to the success of DisneyCollectorBR is the fact that no one knows who she is, as she has yet to come forward and identify herself. The only thing that she has revealed is that she is from Brazil.  
Also, her channel appeals to viewers of all ages, as most people love toys (especially Disney) regardless of their age. Her videos include opening the box, putting the toys together, and then playing with the toys. Her voice has become iconic, especially haunting parents as their little ones watch her videos constantly. Whatever this mystery woman is doing, it is certainly all working out in her favor.