The initial development quote is only one part of an automation budget. A workflow can be inexpensive to build but costly to review, operate or repair when a connected service changes.
Request a cost model you can adjust
Ask the consultant to separate discovery, implementation, testing and handover. Then identify recurring items: software subscriptions, model usage, storage, hosting and support. Distinguish usage-based costs from fixed monthly charges.
Use your own low, expected and high workload scenarios. Include the number of requests, average document size and the proportion requiring human review. A single “cost per task” hides these assumptions.
Account for operational work
Someone must check failures, approve uncertain actions and maintain access. Ask who will do this and what training they need. Include the cost of manual fallback during outages rather than assuming the automated path is always available.
For a proposed saving, compare the whole process before and after the change. Time saved in one step may be offset by checking results in another.
Compare equivalent proposals
Give each bidder the same service volumes, acceptance tests and support expectations. A quote that excludes monitoring is not directly comparable to one that includes it. Ask which components you will own and whether you can change suppliers without rebuilding the system.
Agree on spending alerts and an operating limit. Require approval before a change increases recurring charges. Keep a dated record of vendor pricing because it can change after the project is commissioned.
Anthropic's discussion of effective agents is useful background when deciding how much complexity a task needs. Start your automation project with an adjustable cost worksheet, not an unsupported savings promise.