If you wait till the 5th node and then fim or top within a week they will begin flowering. They need another couple of weeks and another fim or top to have enough to scrog and then you need to let them grow until 75% of the SCROG is full and then start flowering.
I just don’t mess with the Autos. @growingherbies
there are a lot of opinions on the subject but I feel it only hurts your yields. The best way to understand it is to try it yourself if you have the beans to do so!
Generally you wind up with a dry weight of about 20% of the wet weight. If you are interested we have a topic where you can post your wet and dry weights