VIVOSUN S448 4x4 Grow Tent, 48"x48"x80" High Reflective Mylar Grow Tents with Observation Window and Floor Tray for Indoor Plant Growing Tents for Lumalight/Aerolight

I got one this size. You'll want some fans for airflow, a light, and a dehumidifier if you dont have AC in your house. You might end up spending $250-$500 but it will be a very controlled environment. https://a.co/d/03GFGTdp