i don't see how i could have built it to much cheaper. i did use treated wood, but that is so it will last longer.
we will see, but assuming some bad ass weather (and we get that here ) doesn't kill it, it should last several years before needing new plastic, but i have plenty... in fact if you want to total up the actual cost of parts on the greenhouse, it would be $130. but as mentioned earlier i had to buy a huge roll of plastic in order to cover the greenhouse with a solid piece...
If you look on craigslist you can find carport frames for next to nothing.
Yeah, you exaggerate. He just said the cost of the plastic was the most imoportant part. There is no way you find a portable carport on craigslist for $25, if you could find one at all. And it wouldnt be a custom design, the garden would have to adapt to the greenhouse instead of the other way around.