What is your question exactly? Owner financing is not a great way to go. Rarely does it work out. Most sellers are able to sell to normal buyers who qualify for a regular mortgage. Buyers just end up paying higher rent and then in the end can't buy the place anyway, so all that money goes down the drain.
If you're a buyer, I would focus on getting qualified for a regular mortage. That means saving $, and getting your credit score up.
Not sure what your question is about owner financing? IF you are the seller, it is not the best way to sell a property. If you are selling to someone asking for owner financing it's because they are not able to get a mortgage due to a low credit score. If you are the buyer check with a mortgage company they have many new programs to help the buyer purchase a property and if they need is there to bring the credit score up they can advise you what you would need to do.