Key takeaway

Use this as a way to frame a decision, then check current official information before acting.

Separate start-up and repeating costs

A one-off tool and a monthly subscription create different commitments. Write each one down beside the job it is meant to do.

Count the invisible time

Set-up, bookkeeping, support, and customer communication are costs too. You do not need precision to see whether the shape of the work still makes sense.

Review after real use

A first estimate is an experiment. Revisit it after a small period of real work and keep the useful evidence for the next choice.

Keep the source close

Rules, prices, eligibility, and product terms can change. When a decision depends on a current detail, use the relevant official source as the final check.