Veg for a week or two or just 12/12 from seed?

What's up stoners quick question. I'm doing a rubbermaid grow. I was originally going for 12/12 from seed to save time. But I ordered my vinalla kush, sour lemon og, and tangerine dream seeds and I want to get the most out of them as I can. So do you guys think if I veg for a week or two I would have a bigger difference in yeild than doing 12/12? I can't veg for to long for height reasons. Much info is greatly appreciated
 
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