A complete quote has 10 elements: business details, client details, quote number, issue date, validity period, itemised line items, fixed total, payment terms, scope and exclusions, and acceptance language. This guide explains each field, optional additions that add value, what to leave out, and the differences between a quote and an invoice.
Technically yes, but it's a problem. Without an issue date, the validity period has no anchor.
Yes. Without them, the client may assume favourable terms (Net 60, no deposit) you wouldn't have agreed to.
Show the breakdown: subtotal pre-tax, tax line, total inclusive of tax. Both numbers visible.
Specific enough that you and the client can agree on what's done vs not done. Specific scope prevents the most common dispute.
v68