The benefits of choosing Rent to-Own include securing market value to developing equity and having the chance to move into a home sooner. Potential buyers have the opportunity to fix financial difficulties that will benefit them in the long term, plus get to try out their home before having the option to have a long-term mortgage.
As with most things, nothing is without risk. Read this article on How To Protect Yourself From The Possible Pitfalls of Rent to Own.