Why do some candidates prefer to use clientelistic strategies to mobilize voters while others do not? Building on existing explanations that highlight the importance of voters' demand for particularistic goods and parties' capacities to supply goods and monitor voters, this article focuses on candidates' political careers. It argues that how candidates begin mobilizing voters to participate in rallies and elections becomes crucial in explaining their preferences to use clientelism. Candidates who receive a salary based on their ability to mobilize voters—paid party activists—are more likely to use clientelism than candidates who are not paid for their political work, unpaid party activists.