Becoming a plumber typically starts with an apprenticeship, which combines hands-on experience with classroom learning, allowing individuals to earn while they learn. Apprenticeships last about four years, requiring many hours of training under licensed professionals. The plumbing industry in Madison, IN, employs approximately 167 professionals, with median weekly wages around $822. Trade schools, unions, and platforms like Gild help aspiring plumbers find apprenticeship opportunities, leading to a career with strong earning potential—often exceeding $80,000 annually for experienced professionals.