Flat Fee

A flat fee is quoted as a single price for a defined deliverable - an account build, a campaign launch, a quarterly creative refresh - agreed before any work starts and tied to a scope document rather than to hours worked or media spend. The scope document is the actual mechanism: it lists what is included, such as a certain number of campaigns, ad groups, and ad variations, and a set number of revision rounds, and implicitly, everything not listed is not included.

The practical settings that matter are the boundaries written into the scope: number of campaigns and ad variations covered, number of revision rounds included before extra rounds cost more, the delivery timeline, and a clear definition of what counts as done versus what triggers a change order. None of this lives in an ad platform; it lives entirely in the quote and the contract, which is why a flat fee with a vague scope behaves less like a fixed price and more like a starting point for negotiation once work is underway.

Payment timing is a mechanical detail worth settling alongside the price itself - many flat-fee projects require a deposit before work begins, commonly half up front and the balance on delivery, with the remainder due regardless of whether the client requests last-minute changes that fall outside the agreed scope. Clarify what happens if the project stalls partway through, since a deposit-based flat fee gives the provider less incentive to finish quickly once the upfront portion has already been paid.

Flat fees fit well-bounded, one-off work - an account build, a launch, an audit, a seasonal campaign push - where both sides can reasonably estimate the effort in advance. They fit poorly for ongoing management, where the actual workload shifts month to month with strategy, testing needs, and market conditions; that is usually when a monthly retainer or performance-based structure is the better match, with a flat fee reserved for the initial build or launch phase.

The main failure mode is quoting a flat fee for work that is genuinely unpredictable - if the provider underbids, they either cut corners to protect their margin or lose money on the engagement; if the client underscopes what they actually need, they get nickel-and-dimed with change orders that add up to more than a properly scoped project would have cost. A second mistake is not capping revision rounds, which turns an efficient deliverable-based price into unlimited free labor from the provider's perspective. A third is treating a flat project fee, say for a launch, as if it also covers indefinite ongoing management, when the two are usually priced and scoped separately.

Since a flat fee is not tied to spend or hours, judge it on deliverable quality and timeliness rather than any ratio - did the work ship on time and to the agreed scope. The early warning sign of a mispriced quote is the number of change orders billed beyond the original flat fee; a project that regularly needs paid add-ons was probably underscoped from the start, and that pattern is worth tracking across projects with the same provider.