It won`t be done in 70 days and if it is done that fast it`ll be a 10g plant max
With autos you pop 5 to 100 and select the best one to grow on, plant them in a long bed and keep the big one in there
I do that outside from 10 to 30 beans of an auto indica you`ll find 2 to 10 that`ll grow 5 to...