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A couple of years ago I decided I needed a shed so I started rough designing a wood framed one to work out pricing. No matter what I did I could never beat the price of a 10x12 Arrow metal shed on sale @ Sears (I think it was $275). The only problem was that the metal shed was 5 feet high, and I'm a bit over 6... The obvious answer is to raise the shed or lower the floor, and since the spot I wanted the shed to sit was sloped, I did a bit of both.
(Another thing to thing about at this point is local building code. My city allows sheds up to 150sq.ft. to be built without a building permit so I had no problems but it is worth a call to your city's planning department).
Sorry about the lack of decent photos throughout this instructable.
Step 1Flatten site... or not
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The basic plan is to set four posts in concrete (plus two to support the door opening) and build the shed on top of them. This means if you like you can just dig four holes, set your posts and get started on the shed. I tried to flatten the site completely before even thinking about the shed... but it was hard not to be lazy. In the end I got most of the digging done before I couldn't resist setting the posts (I used pressure treated 4"x4" posts about 5 feet high - I bought a couple of 10 foot ones but if you keep looking, and asking to see the cull lumber at your local lumber yard you're likely to find some4-5 foot straight-enough posts to use). Then I had to finish the digging with the posts in the way... and even then the shed, that was sitting in it's box beside my hole, lured me into putting it together before the "floor" was as flat as I'd like it to be. This was a terrible mistake which cost me several weekend afternoons inside the shed with a pick and shovel covered in dust with no wind to clear it away.
I've since made a scrap wood lean too type of an arrangement at my new place, off the side of a trailer. I think I have about $200 invested in it with materials. Lets just say when I slapped it up I didn't call the building department. ha ha.
My Father-in-law has one the same as mine built one the ground and it's practically unusable (except for storage). Mine has been up for a couple of years now and I'm really happy with it.
That is exactly it too, until the whole thing is together it is like a house of wet noodles, I can't even say house of cards, because it isn't that rigid. A marvel of engineering they are! It should still say in big bold letters on the box don't even dream about doing this by yourself.