Why do candidates have to fund-raise as part of a campaign what is the money for?

Candidates must fundraise for their campaigns primarily to cover the costs associated with advertising, events, and staffing necessary to reach voters. Campaign funds are used for expenses such as producing promotional materials, running television and online ads, organizing rallies, and hiring campaign staff. Additionally, money is needed for logistics like travel, office space, and compliance with legal regulations regarding campaign financing. Ultimately, effective fundraising helps candidates gain visibility and support in a competitive electoral landscape.