Name Recognition: Incumbent candidates typically have higher name recognition and visibility among voters due to their time in office and media coverage.
Fundraising Ability: Incumbents often have an easier time raising campaign funds from donors, interest groups, and political action committees (PACs) due to their established political connections.
Franking Privilege: The ability of incumbent members of Congress to use taxpayer-funded mail and communications to reach constituents, which can give them an advantage over challengers.