API and cloud bills are driven by usage patterns, not only the posted unit price. A useful estimate starts with the requests, data volume, compute time, storage and other billable dimensions your application will actually generate.
GitHub Actions cost planning is easier when you model workflow runs and execution time rather than treating CI as a fixed software expense. A small team can often estimate usage from the actual build and deployment workflow.
Tell us what you are trying to build, what problem you are solving and where the digital part becomes difficult. Martzine is built around that gap. Start with the outcome and the constraint, then work back to the right digital layer.
