Glossary

Clear definitions and comparisons of invoicing, quoting, and estimating terms every business owner should know.

Invoice vs Quote vs Estimate

Invoice vs quote vs estimate in 2026: fixed price vs range vs payment request. When to use each, comparison table, workflow, checklists, and FAQs.

Net 30 Payment Terms

Net 30 means full payment is due within 30 calendar days of the invoice date unless your contract says otherwise. Covers 2/10 net 30, net 15 vs net 60, FAQs.