Things that you can buy at Walmart. (Only in US )

Soil: Supersoil(miracle grow) (60%) + Perlite (40%)
Nutrients: SuperThrive
Lighting: 4 ~ 6 x 26w(100w output,6500k) CFLs and get utility clip lighting fixtures.
PH: PH down, Pool test kit (Get PH Meter if possible)
Timer: Get Digital timers.
Fans: Small cheap fans that rotates.
1 x Digital Thermometer/Humidity Meter
1 x power surge protector

And get Fox Farm Big Bloom from some hydrophonic shop..

For additional help, take a look at BongHitBoy420's thread..
http://boards.cannabis.com/closet-ca...ng-thread.html