Reynolds earthship designs have had considerable impact on the green building movement. On one hand, the use of tires as a building material has spawned many different kinds of tire houses and earthship derivatives. On the other hand, its systemsdesign approach to autonomous housing has influenced builders who are using quite different materials. To optimize and generalize earthship benefits, Reynolds firm has developed a number of packages and modules that are geared to different situations, building needs and budgets. SSA sells complete sets of plans, costing anywhere from US $1500 to $8000. The company has design strategies for luxury homes (like the most famous earthship built for actor Dennis Weaver (see figure 21), for low-cost affordable housing, and for whole communities of earthshipsboth intentional communities and subdivisions. It can meet the needs of both building professionals and DIYers.