I do know that aspects of the Cinderella motif exist in real life, such as mistreatment of a child or an average girl marrying into wealth but I have been unable to find, let alone believe, in the chances of someone being raised like a slave and mistreated and rescued by a wealthy suitor. I would not doubt the chances of this happening, but the chances are very slim, especially in this lifetime, that a mistreated person would be rescued from a 'prince'.
In the same sense, I do believe that Rags to Riches stories do exist in real life, but I do not know of any that happen overnight. They all require hard work and motivation to reach that 'Riches' status. For example, Bill Gates did not become a multi-billionare overnight. With hard work he gradually gained money and finally reached the status in which he is currently held. In the same aspect, many of these real-life Rags to Riches stories are mis-told and therefore misinterpreted.
The above link shows the falsehoods of six of the most popular Rags to Riches stories among the world today. They describe the real uprising of Abraham Lincoln as well as the real reason Bill Gates dropped out of Harvard.
These arguments give me doubt that Rags to Riches stories even exist to the magnitude that we give them. Many who come from Rags to Riches do not even really come from 'Rags' at all but rather come from average families from their time and become something greater then they might imagine, but they rarely come from 'Rags' in which they are suffering greatly.
Cinderella 'Rags to Riches' Costume
(in the spirit of Halloween)
I do believe that 'Cinderella type stories' do exist but not in the exact style of the motif we all believe from reading these fairy tales. For example, an aspect of the Cinderella motif we all know so well may exist in real life, but the rarity of the exact tale happening realistically is so minuscule that its rarity will almost make it seem impossible. But I do believe that anything is possible and Fairy Tales are based off of reality so this motif is possible but at the same time, it is also a Fairy Tale and anything and everything is possible in a fairy tale.