By DailySite · Boson Technologies Inc. · Written
An estimate sets out proposed construction work and an expected price before the job is approved. An invoice asks for payment for agreed work, materials, or a scheduled payment milestone. Keep both documents clear about scope, amounts, and the project they belong to.
The difference at a glance.
| Question | Estimate | Invoice |
|---|---|---|
| What is its purpose? | Explain the proposed scope and price. | Request a payment under the agreed arrangement. |
| When is it used? | Before the client approves the proposed work. | At the payment milestone agreed with the client. |
| What should be clear? | Work included, assumptions, exclusions, and quantities. | Work billed, amount due, invoice number, and payment instructions. |
| What comes next? | Clarify questions and record the agreed scope. | Send the invoice and record payment when received. |
Build the estimate from a scope you can explain.
Break the work into meaningful line items. Include quantities and units where they help the client understand the price. State assumptions such as access, preparation, finish selection, or material allowances. If an item is excluded, say so before work begins.
Keep the estimate with the client's details and project. When the scope changes, make the revised scope and price explicit instead of quietly changing the number on the later invoice.
A worked example: a small interior repaint.
All details and amounts below are fictional and are not a pricing recommendation. Currency and tax are omitted so you can focus on how the documents relate.
| Estimate line | Quantity | Example amount |
|---|---|---|
| Protect work area and prepare wall surfaces | 1 scope | 300 |
| Apply agreed wall finish in rooms 1 and 2 | 2 rooms | 900 |
| Cleanup and walkthrough | 1 scope | 150 |
| Proposed subtotal | 1,350 |
The estimate identifies the two rooms, the agreed finish, and whether trim or ceiling work is excluded. If the customer approves that scope and the arrangement is to pay on completion, the invoice describes the completed repaint and requests the agreed amount. Any changes should be documented with the customer before they become extra invoice lines.
Make the invoice easy to match to the job.
- Use an invoice number and the correct business and client details.
- Identify the project and the work or milestone being billed.
- Show line items, amounts, and applicable taxes clearly.
- Include issue and due dates and agreed payment instructions.
- Keep the sent document and update its status when payment arrives.
Prepare the documents in DailySite.
DailySite provides estimates and project invoices with PDF export. Review the document before sharing. Recording an invoice as sent or paid helps organize your paperwork; it does not collect payment from your customer.
For the site record supporting the work, keep daily reports and project photos with the job. See Starter and Pro allowances before choosing a subscription.