BDR announces SPARK 2023 Top contractor learning and networking event heads to Tucson, Arizona in January 2023 SEATTLE, June 20, 2022 - Business Development Resources (BDR), the training and business coaching authority for home services industry professionals, will host two jam-packed days of impactful keynote talks, breakout sessions, networking opportunities, and more for … [Read more...] about SPARK 2023, top contractor learning and networking event, January 11-14 2023, Tucson, Arizona