To learn more about Todd Fratzel's attic workshop, visit Home Construction & Improvement, one of several sites he's created.

I continue fitting out the new workshop, unboxing and assembling new tools. The process includes finishing the tool stands, mounting tools to the stands, and building a new welding table.

"Using economy of scale, we are able to sell workshops at a fraction of the cost," says Abraham. In fact, the cost per square foot is comparable to that of most self-storage units in the region. "Most ...