Ikea announced selling a prefab home in the US (can you imagine? assembling a coffee table is hard enough and usually missing a few screws!) but the company that's actually manufacturing them is www.ideabox.com for hip, cool prefab designs you can place just about anywhere starting at $25,000!
5 of the coolest prefab houses you can order right now
From early-20th-century Sears Catalog Homes to the housing experiments by French modernist Jean Prouvé, prefab construction—that is, assembling a structure from components produced off-site—has had a rich, long history....
A Restored Love of Mail-Order Homes — Cottage Living March 2008
Around the turn of the century, companies such as Sears & Roebuck and Montgomery Ward sold homes out of catalogs. The houses were shipped to the home site, complete with instructions and numbered materials (including nails!), just as we might receive an assembly-required piece of furniture today.