I agree with some vegging rather than just 12/12 from seed. Both work, but even if you do 12/12 from seed it still won't flower until its got the foundations in place. By vegging for 2 weeks to a month before flowering, you will get a bigger yield for obvious reasons. I think the 12/12 from seed is ideal for sea of green grows, so its not for everone. Do what works for you
Some breeze on the stalks is good, just not permanent (ie the fan oscillates, so blows on then off across the foliage etc, but gently), it forces the stems to work harder to support the plant, very gently, so the stalks get stronger/thicker, just like the muscles on your arm. More you work them, the stronger they get.