What you’ll get from this guide
- An estimate is sent before work begins to show expected cost.
- An invoice is sent when payment is requested after work is completed, billed, or due.
- A receipt is sent after payment is received as proof of payment.
- AI can draft line items, descriptions, notes, payment terms, and customer messages, but you should review all details before sending.
Estimate vs invoice vs receipt
| Document | When it is used | Purpose |
|---|---|---|
| Estimate | Before work starts | Shows expected cost and may change if scope changes |
| Quote | Before work starts | Gives a more formal price offer for a defined scope |
| Invoice | After work is completed, billed, or due | Requests payment |
| Receipt | After payment is made | Confirms payment was received |
What is an estimate?
An estimate is a rough or expected price before the job starts. It is useful when the final scope is uncertain, such as property condition, repair diagnosis, or commercial walkthroughs.
Example: estimated move-out cleaning cost: $275-$325 depending on property condition.
What is a quote?
A quote is usually more formal than an estimate and may be treated as a fixed price offer depending on your terms, scope language, and local rules.
Example: quoted price for AC capacitor replacement: $285, including diagnostic, part, labor, and system testing.
What is an invoice?
An invoice is a request for payment. You send it after the work is complete, after a billing period, or whenever payment is due.
A good invoice includes invoice number, business information, customer information, service date, line items, total amount due, payment terms, due date, and notes.
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ServiceHub automates follow-ups, reminders, and booking confirmations so nothing falls through the cracks.
What is a receipt?
A receipt confirms that payment was received. It is proof of payment, not a request for payment.
Example: payment received: $285 for move-out cleaning invoice INV-104, paid by card.
Where AI helps and where it should not replace you
AI can help draft the content inside service documents. For example, rough notes like AC diagnostic, replaced capacitor, 1.5 hours labor, emergency visit, total around $420 can become clearer invoice line items and customer-facing wording.
AI should not automatically decide final prices, taxes, legal terms, or whether a customer has paid. Use your actual records and review the final document before sending.
- AI can draft estimate summaries, invoice line items, notes, payment terms, and email messages.
- You should confirm scope, prices, tax rates, due dates, customer details, and final total.
- Payment confirmation should come from your payment records, not an AI guess.
LeadDuo Invoice vs ServiceHub
Use LeadDuo Invoice when you need to create and send a professional invoice quickly, manually or with AI.
Use LeadDuo ServiceHub when you also need booking, jobs, payments, reminders, recurring billing, customer portal access, and the full workflow around the invoice.
Create a professional invoice with AI
Describe a completed job and LeadDuo AI can draft invoice line items, notes, payment terms, and a customer email. You review everything before downloading or sending.