A candidate can spend an unlimited amount of their own money on their own federal campaign. The Supreme Court settled that in 1976, and no dollar cap on personal campaign spending has survived constitutional challenge since. So the honest answer to how much money a candidate can spend on their own campaign is: at the federal level, as much as they have, provided every dollar is properly reported. State and local races are a different matter, and the reporting rules are more involved than most first-time candidates expect.
Why Federal Law Sets No Ceiling
The rule comes from Buckley v. Valeo (1976), where the Supreme Court struck down caps on how much candidates could spend from their own pockets. The Court treated personal campaign spending as core political speech under the First Amendment and drew a sharp line: contributions from other people carry a risk of corruption or its appearance, so Congress can cap those, but a candidate spending their own money on their own race creates no such risk.
The principle has only hardened since. In Davis v. FEC (2008), the Court struck down the “Millionaire’s Amendment,” which had raised contribution limits for opponents of self-funding candidates. Even though the provision did not directly cap personal spending, the Court found it effectively punished wealthy candidates for exercising their First Amendment rights, and it rejected the idea that equalizing opportunity between candidates of different wealth justified burdening political speech.1Federal Election Commission. Davis v. FEC
In practice, a candidate for President, the U.S. Senate, or the House of Representatives can put $1 million, $50 million, or any amount of personal wealth into their campaign without violating federal law. The FEC confirms that a candidate’s contributions to their own campaign “are not subject to any limits,” though they must be disclosed.2Federal Election Commission. Using the Personal Funds of the Candidate For context, ordinary donors in the 2025–2026 cycle are capped at $3,500 per election when giving to a candidate.3Federal Election Commission. Contribution Limits for 2025-2026
What Counts as Your Own Money
The “unlimited” rule only applies to what federal regulations call the candidate’s personal funds. That definition is specific, and it matters. Under 11 CFR 100.33, personal funds fall into three categories:4eCFR. 11 CFR 100.33 – Personal Funds
- Assets the candidate had legal access to or control over when they became a candidate, including personal bank accounts, stocks, real estate equity, and other investments.
- Income, including salary, dividends, interest, proceeds from selling holdings, bequests, lottery winnings, and income from trusts established before the current election cycle.
- The candidate’s share of jointly held property. If the ownership instrument names shares, that share governs. If it does not, the candidate can use up to half the value.
The joint-property rule catches married candidates off guard. A $2 million joint bank account with no specified ownership shares yields $1 million in personal funds, not the full balance. The same half-split default applies to joint brokerage accounts and other shared assets.
Money From Someone Else Never Counts
If a third party gives or loans a candidate money for the purpose of influencing a federal election, that money is not personal funds, regardless of whose account it sits in. It does not matter if the source is a parent, a business partner, or a close friend, and it does not matter if the money passes through the candidate’s personal account before reaching the campaign. The FEC treats such transfers as contributions from the original source, subject to the $3,500 per-election limit and full reporting.5Federal Election Commission. Personal Loans From the Candidate
Contribute Outright or Loan It to the Campaign
A candidate can either contribute personal funds to the campaign or loan them. Loans are common, especially among challengers and first-time candidates who need to spend heavily before their fundraising operation matures. A loan creates a debt the campaign owes back to the candidate; if fundraising goes well the candidate gets repaid, and if it does not, the candidate can later forgive the debt and convert it to a contribution.
The Supreme Court recognized this dynamic in FEC v. Ted Cruz for Senate (2022), noting that personal loans “will sometimes be the only way for an unknown challenger with limited connections to front-load campaign spending.”6Federal Election Commission. Supreme Court Finds Limit on Candidate Loan Repayments Unconstitutional in FEC v. Ted Cruz for Senate
That case also changed how loans get repaid. Before 2022, only $250,000 of a candidate’s personal loans could be repaid using contributions raised after election day. The Court struck that cap down, and the FEC formally removed it from its regulations. Campaigns can now repay the full amount of a candidate’s personal loans using contributions raised at any point, before or after the election. Individual contributions used for repayment still cannot exceed the standard per-election limit of $3,500, so paying off a large personal loan through small-dollar fundraising can take a long time.3Federal Election Commission. Contribution Limits for 2025-2026
Every Dollar Gets Reported
Unlimited spending is not unregulated spending. Every dollar a candidate puts into their own campaign must be disclosed to the FEC, and the reporting treatment depends on the flow. A direct contribution, a loan, and an out-of-pocket expenditure each get reported differently on the committee’s regular filings.2Federal Election Commission. Using the Personal Funds of the Candidate
An extra layer applies close to election day. Between 20 days and 48 hours before an election, a candidate committee must file a 48-hour notice for every contribution of $1,000 or more it receives, and that includes contributions from the candidate’s own personal funds. A candidate who writes a $50,000 check to the campaign 10 days out has to file a 48-hour notice reporting it.7Federal Election Commission. 48-Hour Notices
You Get No Tax Deduction for It
Self-funding produces no tax benefit. Political contributions, including a candidate’s own contributions to their campaign, are not deductible on federal income taxes. The IRS lists contributions to political organizations and candidates among the categories that do not qualify as charitable contributions.8Internal Revenue Service. Publication 526, Charitable Contributions
This applies to every form of self-funding: cash contributions, loans that later get forgiven, and campaign expenses paid straight out of pocket. A candidate who spends $5 million of personal money on a losing campaign absorbs the whole cost with no federal tax offset.
Campaign Money Cannot Flow Back Into Personal Life
The unlimited rule runs one way. Federal law prohibits using campaign funds for personal expenses, which the FEC defines as any expense a candidate would have regardless of running for office. Mortgage payments, household goods, everyday clothing, entertainment, and salaries paid to family members all fall on the wrong side of that line.
This matters most when a candidate self-funds heavily and later wins with a substantial account balance sitting in the committee. That money belongs to the committee, not the candidate personally, and using it for living expenses is a violation even if the candidate originally put those dollars in from their own pocket.
State and Local Races Are Not Covered by This
Everything above is federal. State and local elections run on separate campaign finance systems, and the rules on self-funding vary widely. Some states mirror the federal approach and allow unlimited personal spending. Others cap what a candidate can contribute or loan to their own campaign, sometimes at just a few thousand dollars for certain offices. Limits often scale with the office, with statewide races typically allowing larger personal contributions than legislative or municipal contests. Anyone running for a non-federal office should check their state’s specific rules before writing a personal check to their campaign.