This is sooo cool. I love that you are doing this! I'm trying the same. Its funny and kinda sad how fast people come out of the woodwork to tell you not to grow fruit from seed. I see it everywhere I look.
I purchased 2 tiny Cosmic Crisp seedlings and I have had them around 1.5 years. They are in a grow bag, and growing very well. They put on quite a bit of girth and height this past summer.