Your title says 2x4
yet you thread says 2x3
Did a quick search and the cheapest was £465 with a 200w light imo you’ll struggle to get below that.
SF2000 4x2 Complete grow tent kits with APP. contains an LED light, a grow tent, and all the equipment, helping growers to grow easily and master the harvest.
www.spider-farmer.com
You might be cheaper looking into getting each item separately it maybe cheeper
Growing equipment at first is expensive however compare that to buying a oz of street weed.
It pays for itself and is worth the money.
Over the years tips I’ll say are really important don’t go telling your mates no matter how proud you are of your harvest it will only end up in problems and them bugging you for weed. Keep it discreet and you’ll reap the rewards.