Essays / Can I write about my financial conditions in the additional section of the commonapp? [3]

Please provide an answer below if you wish to provide details of circumstances or qualifications not reflected in the application. You may enter up to 650 words.

Will it be all right to mention that I came from a family which did not have a lot of money and as a result I realized the importance of education?

Also, can I mention that I did a project for Google Science Fair which did not get selected, but I learned a lot from that project and figured out what i wanted to do with my life?

If the answer is yes for the first question, I am planning to write something like the following:
essayforum.com/undergraduate/family-taiwan-financial-situation-additional-25479/