[mrgem]

A pretty good one, if you shop around. Consider that for 12k, I built a 20x20 with a 10x20 parking pad next to it (all 6-inch slabs), using the same premium materials as my house, which included sheet-metal roofing.

The best deals are usually some kind of "kit" that the builder has done dozens of. If you want custom, you'll pay substantially more.

Also, learn from Midlife's experience - Check to see what the neighbors will think of your construction project. I find that moving to the boonies on a couple of acres is the only practical way to avoid intrusion into one another's lifestyles.