My buddy does stuff for big yields, but his setup is miserable to work with. I'll cut off everything on the lower half so it's easy to get to for water/feed and keep it enjoyable, even if they yield a little less.
Are yours breaking from the weight of buds? You can get cheap plastic trellising and toss it over the whole plant so that the weight from one side helps support the weight from the other side. That way you don't have to build a frame to tie the trellising to and it works pretty well.
I cut off some tops today, day 57, and hung them to dry. Will let the bottoms go another week so they purple up!