Don't set your greenhouse directly on the ground. A simple wood foundation made of rot-resistant cedar is inexpensive and adds years to the structure's life.
To keep costs at rock bottom, consider these expert-backed tips: buy cheap greenhouse
Sometimes the best deals are found at local nurseries that offer "tried and true" advice for your specific climate. Sunset Greenhouse Greenhouse ClosedColorado Springs, CO 1023 Sunset Rd, Colorado Springs, CO Don't set your greenhouse directly on the ground
Scour local marketplaces for old windows or scrap wood. A "recycled window greenhouse" is eco-friendly and can be built for under $500. Local Options for Budget Gardeners CO 1023 Sunset Rd