Taking a stab in the dark, I'd say that the average cost of a kitchen remodel runs around $24,000. And in practice, that still tends to be a low estimate.
So what we're looking at in Do It Yourself Kitchens: Stunning Spaces on a Shoestring Budget are not costly tear-out-and-replace projects, but smarter (and Earth-smart) projects that aim to inject some love and life into what you've already got.
This homeowner tackled the difficult issue of kitchen cabinets. Instead of buying new cabinets, she undertook a series of measures that were low-cost and fun to do--all detailed in the book.