You cannot be big until the Revamp (Big UPDATE)
Step 1.
Ask @Myz If you want to be big.
Step 2.
He will say go to paypal.com and his email.
Step 3.
he will Ask how big you want to be and he will say how much it is.
Step4.
Go to paypal.com and sign in. (if you dont have a paypal account then, Ask your mom)
Step5.
Go to the top left and look for something that says, Sell or something close to that.
I think thats it!