Seed cold stratification:
Marta of CRFG says she has had better consistency with germination when seeds are cold stratified. I've planted fresh seeds and left them in my greenhouse over winter, and I've cold stratified seeds. I have noticed no difference between the two methods, however, there is an advantage to having your seeds safe from critters when cold stratifying in your refrigerator.
Grafting:
Someone suggested they need to be more loosely wrapped. I have grafted mine with the same amount of pressure I use on everything else, from apples, pears, plums, citrus, avocados, etc. It seems unlikely the pressure of your grafting materials will have as large of an affect on your grafts as the health of your rootstock, the health of your scions, and the timing of your grafting.
Light preferences:
Young seedlings seemed to prefer morning sun, and afternoon shade. It depends on your microclimate, but the seedlings I lost looked like they got cooked. Once they're established, they appear to be able to take full sun without issue.
Pictured below is an in-ground multi-grafted plant that was grafted one year ago, a few 2 year old seedlings direct sown in the ground, and a fresh batch of seeds that are germinating right now.
