https://www.ebay.ca/help/buying/buy-now/making-best-offer?id=4019&st=3&pos=1&query=Making%20a%20Best...
3 min article
Making a Best Offer
What happens after you make your offer
The seller has 24 hours expires to decide whether to accept or reject your offer. They can also suggest another price. If they don’t respond to you in that time, or if the listing ends before they respond, then your offer expires.
If the seller responds, they may:
- Accept your offer: Just like any other sale on eBay, you’re obliged to pay the amount you offered. Immediate payment is not required when the Best Offer option is used in a listing, unless you were asked to confirm your payment method when placing your offer
- Reject your offer: You can still make another one (up to 3 on most items and 5 in most vehicles categories)
- Counter your offer: The seller may suggest another price. You can choose to accept, reject, or continue negotiating by making another offer to the seller