Ebay offers 6' x 4' Walk-in Garden Polycarbonate Greenhouse Kit w/ Adjustable Vent for $219.99 (reg. $696.99) free shipping.

Product Description:
● Lean-to-wall greenhouse with spacious design for growing flowers, vegetables, and fruits
● Aluminium alloy frame is durable for long-term use
● UV protection polycarbonate panels keep your plants protected from harsh sunlight
● Sliding door design for easy access in/out
● 5-level adjustable window ensures good airflow inside
● Tilted roof with rain gutter to prevent water build-up
● Galvanized base provides stable support, and four stakes are included to pin into the soil
● Assembly required
● Package might be arriving in two boxes