when you ask me to estimate the illustration and photo costs of projects, I do so.
You are, of course, entirely free to ignore those estimates and enter any (lower) figure in the project’s PnL budget, and then to base your judgement as to whether said project is financially feasible on that (spurious) sum.
However, when the invoices come in and the actual image spend of the project becomes manifest you will note that the costs tally fairly closely with my initial estimates.
That is why you pay me. I know what I’m taking about. I’m basing my assumptions on going rates and previous experience rather than PULLING FIGURES OUT OF MY ARSE which is what you are apparently doing.