Its all about lumens. You want 3,000 lumens per sqft in veg / 5,000 lumens per sqft in flower.
-What are the dimensions of your grow area?

No, you cannot clone an Auto.
They have a set number of days that it will veg before automatically going into flower.
It stays on 20/4 light schedule for its whole life.
--keep it under your veg lights and veg nutes until you start to see pistils, then switch to flower lights/nutes.
It has to be planted in its final home from seed.