Say it straight or don't say it at all.
When a customer asks for a full itemized breakdown on a large job, it usually is not about clarity. It is about taking the quote apart, questioning every number, and trying to cut the project down in ways that usually hurt the final result.
There is no universal rule on website pricing pages. The right move depends on how standardized your offer is and what kind of sales friction you want to reduce.
Competing on price attracts price shoppers. Average positioning draws in the clients who will grind you on cost and leave the moment someone bids lower.