Buyers want a price list and agencies rarely publish one, and the reason is genuine rather than evasive. Two stores that look similar can differ by an order of magnitude in effort, because the cost sits in the catalogue, the integrations and the operational complexity rather than in the pages a visitor sees.
What actually moves the price
Number of products and how variable they are, whether data must be migrated and cleaned, integrations with inventory, accounting and fulfilment, tax and shipping rules, how many markets and currencies, and whether the design is bespoke or a configured theme. Of these, data migration and integrations are the most consistently underestimated by both sides.
Platform choice sets the floor
A hosted platform with a configured theme starts far lower than an open platform with custom development, and lower still than a headless build. The right choice follows catalogue complexity and who will maintain it, not the agency's preference, and it determines the maintenance cost for years afterwards.
Post-launch is the cost nobody quotes
Platform updates, app subscriptions, security, content changes and the occasional broken integration continue after launch. Ask what the monthly cost of running the store will be, including third party apps, because that figure often exceeds the difference between the quotes being compared.
Making quotes comparable
Give every supplier the same product count and data sample, the same integration list, the same market requirements and the same content position. Most incomparable quotes are the result of suppliers making different assumptions about exactly those, and they will each assume the version that suits their own approach.
Questions people ask about ecommerce website price list
Why will agencies not publish prices?
Because the same brief produces very different effort depending on catalogue and integrations. The ones that publish bands rather than figures are being as helpful as the work allows.
Is a template build good enough?
For many merchants yes, particularly at first. The limiting factors are usually catalogue complexity and integrations rather than the theme.
What is the most underestimated cost?
Product data: cleaning it, structuring it and migrating it. It is unglamorous, it is on the critical path, and it is where ecommerce projects overrun.