You can start by moving to Colorado where it's legal
Lots of learning and practice will help, keep growing until you have a product worth buying. If you grow it, they will come...
No.
Stores will not be open for a year at the soonest.
You need a badge to work for medical grows. It will take months to get a badge.
Then you can work for about $8 an hour sling buds in a dispensary if you have nice boobs.
You might be able to work for a grower when you get a badge if you are lucky, for not much money.
If you want to move out here and grow illegally, you will not get as much money for your product as you would in other states.
Many dispensaries are selling decent weed for $25 an 1/8th.
If you want to be a player here, you needed to get going in 2009 if not earlier.
The legal growers I know are growing like crazy in anticipation of recreational stores opening.