Your are competing with the things current price, so whatever shows in the top right is the current most active listing price. If you set a new sale for 2 N in the below listing, your offer will overtake the 0.39 as the prime spot and will get sold before.
You have 24 hours to accept a bid so keep checking. We will be adding notifications very soon to help you keep up to pace.
When you bid, you put your NEAR into escrow
When you outbid another, their funds are released from escrow
The owner of the listing can pull anytime within 24 hours of the offer
After an offer you placed expires, you can pull back your NEAR from escrow by pressing Withdraw
You can see every on chain transaction for the bidding by clicking the two arrows button