marosa, I am also switching over to led but for once a year grow will be expensive. Gl
I am building 4 light bars with cpu coolers, 16 ea cxb3590's 3500k 36v cd bin, hlg-240h-c1750b drivers with pot, 4 mw apv-12-12 for fans, plus metal for frames and misc materials probably around 1300-1400 usd...