It really depends on how good the soil and nutrients are for how big an auto will get and how much it may yeild IMO, "I've never grown one either , but they look goodok, this are my first palnts so how much wieght of buds i can get +/-?
You give some good honest advice their tussel....nicehttps://www.rollitup.org/auto-flowering-strains/ might be better to those questions to the autoflowering crowd...