RESEARCH TRIANGLE PARK, N.C. — Get Spiffy Inc., an on-demand car care, technology and services company, is adding brake services to its mobile vehicle services operation in 17 markets across the U.S.

Paul Klingele's big, boxy blue van is the shop, office, kitchen and storage room for his mobile brake service. "No office space, no rent, no mechanical space, no nothing," Klingele said of his ...