You buy the equipment once, with nutrients being the only recurring cost every three months.
Product List:
Tents
Fans
Timers
Scissors
Boveda Packs
Lights
Exhaust
Mycorrhizal Fungi
pH -Test Strips
Glass Jars
Nutrients
Glass Bottle
C02 Bags
Magnifying Lenses
Super Soil (Nutrients)
Soil
Fishing Line
Beneficial Predators
Hygrometer