Perpetual harvests…

After drying, general cleaning, upgrading, and preparing, it will take about three weeks or so..

That totally depends on how long you wanna veg a plant, how big you want your plants to be before switching to flower and how powerful of a veg light you got. You can always prune back if you veg for too long.

Depends on how much space you want to dedicate to doing it. A small propergation tent can help shelve times off between grows. You could start your next batch probably the week before harvesting current batch.