Mine (2) have been in the ground a couple of years but have yet to set fruit. If/when they do will keep you in mind. If you want a seedling try Just Fruits and Nuts. They shipped mine and they arrived in great shape.
I just run water through the coffee maker, so that it is about 160 degrees, but not boiling, and then pour over the seeds. Soak the seeds, until they swell. After they swell, sow immediately just barely covered with sand.