There are 3 ways to get a quote from a Seller.
1. Go to their listing page and click 'Free Quote'
Then follow on-screen instructions to send your request
You will see your request in your messages with the Seller so they can respond to you directly usually by making you a Custom Offer
2. Click "Request quote' on the Seller's listing page which will also open the above form.
3. Ask a Seller for a quote in chat by clicking 'Message' on their listing page. The Seller can then send you a Custom Offer.