big grow room ideas

hi:thumbsup: ,

hi major smoker new grower here, im considering starting a medium scale grow room in a spare bedroom in my house and am looking for ideas.im a bloody amateur:confused: and need input from people who can help..i was thinking bout buying a grow tent thing @growell uk it is called the goliath and its 3m x 2m...or else create a large grow room myself..the space to work with is big but i need to keep my electricity bill down ,maximum of 2000w in lighting..it is a purely commercial grow and i want the biggest harvest i can get wit wat ive got....i was thinking about buying a pi-rack and fitting the whole room in mylar....loads of ideas but thought id get help from proper growers:thumbsup: SO ANY IDEAS LADS????
:rasta: