theres so much to learn and buy to get a good final product. ive been at it for 10yrs now and i still dont have it all down but from experience id say youll need some of the following. 1)Lighting system: 400w-1000w MH/HPS 2)Exhuast System: 8"inline duct fan and flex duct w/ carbon filter 3)Nutes (these are what i use): Fox Farm: Grow Big, BigBloom, Tiger Bloom, Open Sesame, Beastie Bloomz, Cha Ching. Advanced Nutrients: Rhino Skin, Bud Candy, Wet Betty, Final Phase. Dyna Gro: Neem Oil (For Pests). General Hydroponics: PH UP & Down. Olivias Cloning Solution. Rootech Cloning Gel.1" Rockwool cubes for cloning and a humidity dome for growing your clones. Humbloldt Nutrients: White Widow. 4) Misc Items: Ph tester liquid or digital, Mositure Meter, Soil Ph Tester, Good Cutting Sissors, Plant Yo Yos, Roll of Mylar, 3gal pots if your growing in soil, Mist bottles 5)Soil: Either FoxFarm Ocean Forest or Roots Organic. There also alot of other things to buy and consider but these are just a few of the things Ive accuried over the years and def. get your self a growing book preferable the Marijuana growers course hand book for the Oakstradam University by Ed Rothsdel