i havent read this whole thread but...
yes you can grow in regular dirt, for seedlings it would be better then the Miracle Grow soil someone sugested, as MG is known to cause nute burn and kill baby plants
dude im not trin to say you shouldnt do what you want with your life but...
first off when you deal weed, didnt you notice there is little to no money to be made? and seccondly drug money is not the way to raise a child, and a drug dealer in jail cant support a child. get a job and think about your life 5 years down the road. if you still want to grow free smoke, go for it, but youd have to grow like 100 plants on prepetual harvest to support your family and it wouldnt take the feds long to figure you out