You can create a Quote to send out price proposals, and send out a Contract when the prices are agreed to by both parties.
Creating and confirming quotes and contracts
View an Order and click New quote or New contract from the right sidebar.
Click Confirm from the top-bar, when an agreement is made.
Optionally, you can add a Signature.
Sending quotes and contracts
To send your quote or contract to a customer, click Send to from the top-bar.
Changing document numbers
Numbers of quotes and contracts increment automatically.
Changing the numbering:
View a document,
click the pencil icon after the document number,
change the number, and Booqable will pick up from there.
You can also add an optional prefix to your document number, including dynamic values like the year or order number. Set up prefixes in Settings > Documents: