the ones i`ve looked at for the room sizes are around $80 shipped, i got to have 3 of them. the flower rooms are only going to have the lamps in them no ballast, everything else will be in the veg/utility area. most of it will be on 1 wall, sub panel, receptacles and all the components. i may be able to just use 1 of them. i got some friends that do this stuff for a living i`m thinking about talking to them and getting some recommendations. i not sure what i`m going to do but i will do something.