A buyer's premium is a percentage-based fee added to the winning hammer price. This helps cover the auctioneer’s expenses and administrative costs and off-sets credit card fees. The larger auction houses in major cities sometimes charge up to a 30% buyer's premium. Bidders may also be charged sales tax (depending on regulations of the individual state where the auction is held) on this additional fee.
Here’s an example ...
If you won an auction lot through “A-Z Auctioneers” with a 15% buyer’s premium and 5% state sales tax (the buyer’s premium is often taxed, but laws vary by state) here’s how it would work out:
|
Hammer Price |
$100.00 |
|
Buyer’s Premium (15%) |
$15.00 |
|
State Sales Tax (5%) |
$5.75 |
|
TOTAL CHARGED |
$120.75 |
You should note that buyer’s premiums vary depending on the individual auctioneer / estate seller using the AuctionNinja platform. Please be sure to read the terms for each individual sale. If you have questions about a buyer’s premium, please contact the auction house / estate seller directly. AuctionNinja does not control what individual sellers charge for their buyer’s premiums.
The AuctionNinja platform features extended bidding (a.k.a. "soft closing"). The AuctionNinja system will automatically extend the closing time of a lot (auction item) whenever a bid is placed within the last five minutes of its scheduled closing. This may occur multiple times on any given lot depending on the bidder interest in that lot. Once all interest and bidding in a lot ceases the clock will run out and the lot will close.
This is the fairest way to prevent “bid sniping” (someone submitting a high bid in the last seconds of any given lot’s closing in order to win said lot) and to give all bidders an opportunity to increase their bids if they wish. It is also the closest way to mimic a live, in-person auction, when the auctioneer gives bidders opportunities to increase their bids if someone jumps into the bidding at the last moment before hammering the winning bid.
Because all maximum bids are "masked" (hidden from other bidders), you do not know what any other bidder's maximum bid may be or when they placed it. Sometimes you will be outbid as soon as you enter your bid. This only occurs when another bidder had a higher maximum bid than yours already "on the board". Your bid set in motion BRG's automatic bidding system which raised the other buyer's bid above yours. The other bidder may have placed their max bid days, hours, or mere moments before you placed yours.
However, if you place a bid and there are no competing bids against your bid, the system WILL NOT immediately go to your maximum bid. In fact, if you are the only bidder by the time the lot closes, you will win the lot for the lowest possible dollar amount (based on whatever the opening bid was for that item), not your max bid. So if you place a max bid of $25 on a lot with an opening bid of $1 and there are no other bidders vying for that lot, you will win it for $1. NOTE: This only happens when there are no competing bids.
Occasionally our bidders are outbid by an amount lower than the minimum bid increment (see bid increments in our Terms & Conditions). All bidders may place their max bid at anytime. As a result, you may be outbid by what seems to be an incorrect increment. The AuctionNinja system will not default to strict increments like a traditional auction if an "odd" maximum bid was left prior to meeting the bid price which would engage the next bid increment.
For example, let's say you place your maximum bid of $100 on a painting but another buyer wins the lot for $101. As stated in the bidding increments, you know the next bid should have been $105, not $101. The system will accept the $101 bid because that max bid of $101 was placed before the auction got to that next increment level.
Here's how: It's 4 p.m. on closing day and the painting is currently at $15. At 5:10 p.m. you place a maximum bid of $100. There are a few bidders at play and so by the time 5:45 comes around, the current bid is at $78 with you as the highest bidder. At 7:05 p.m. a new bidder joins in and places his maximum bid of $101. Since this new bidder's bid of $101 is above the minimum increment at the time she placed the bid, it is accepted by the system. Since there were no additional bids placed before the countdown clock ran out, the $101 bidder wins the lot because it is higher than your $100.
In the case of a tie bid, the hammer will always fall to the first bidder. For example, the current bid is $50 (placed by someone else). What you don't know is that their max bid (which is masked from other bidders) is $200. You join the bidding and and place a maximum bid of $200 and are immediately outbid in favor of the other bidder. Even though two people have the same max bid, only one person can win the lot. That is automatically determined by bidding order -- the person who placed that maximum bid first.

In order to keep AuctionNinja uncomplicated for sellers and bidders, the only method of payment accepted is credit card via auto-debit at the close of the auction. This makes it easy for bidders to simply show-up at the designated location and pick-up their items. It also is safer and more secure for our auctioneers/sellers who, otherwise would be concerned about holding large sums of cash on hand.
AuctionNinja is the bidding platform bringing together buyers and sellers.
You must contact the individual seller for shipping options (if they offer any).
Sale terms vary depending on the vendor. Often these details are located on the landing page for each auction. Please be sure to read the auction terms for each auction before bidding, too.
In the example below, Clearing House is the auction house, while Hedge Auctions is the seller or auction manager. The sale has shipping available, but the bidder would need to check each item to see if said item can be shipped.
This seller only offers bidder arranged shipping. Though the auction shows that shipping is available, the bidder would be responsible for contacting and arranging shipping via seller referral.
Below, a seller indicates shipping availability on a designated lot.
Ultimately, bidders are responsible for ensuring that the items they bid on can be shipped. Bidding is a choice, and informed bidding is critical to everyone's experience on AN.
Within two hours of the close of the entire auction your credit card on file will be charged for the entire amount due (hammer price + sales tax + buyers premium). The charges are not processed until the entire auction closes. You will also receive a winning bidder email which will list your invoice (what item(s) you won, the hammer price, sales tax, and buyers premium) and all necessary pick-up instructions. Note the pick-up instructions are also always viewable on the auction landing page. Any questions about the auction results and/or pick-up instructions should be directed to the individual vendor/seller (details for the seller may be found on the auction landing page).
The individual auction vendor will feature pick-up details on the landing page for each of their auctions Sometimes, in the case of a residential estate location, the actual address will be included in the winning email (not included on the landing page) which is sent to the email address on file with your account. Please be sure to read the auction terms for each auction before bidding, too, to make sure that you are available to pick-up your items during the designated dates/times. Most often there are no other pick-up options available and requests for alternative pick-up options are at the sole discretion of the individual auction vendor.
As a marketplace, AuctionNinja has no input on the pick-up arrangements made by vendors. Alternate arrangements are at the sole discretion of the auctioneer per their auction terms. If you have a true emergency and cannot follow through on the auction pick-up terms for bidding, please contact the individual AuctionNinja seller/auctioneer (info found on individual auction listing pages).
They may be in a position with their consignors to make alternate arrangements, but the majority of the time, your items will be considered forfeit.
When you place a bid, it’s a legally binding agreement to purchase the item(s) if you are the winning bidder. Once the auction closes, if you’re the high bidder, per the terms of use / bidder agreement, you are obligated to follow-through on your purchase. Auctions do not work like retail stores where you can return an item if you have “buyers remorse.” So you must be sure that you are able to uphold your end of the agreement before placing your bid(s).
You must do your own "due-diligence" in researching the items you plan to bid on before bidding -- per the terms of bidding. Items are sold "AS-IS, WHERE-IS," meaning there are no guarantees, warrantees, etc. Reneging on your agreement as the winning bidder in any auction will result in the permanent revocation of your bidding privileges on the AuctionNinja platform.
Bidders retain recourse in instances where transactions fail to yield the promised goods. E-commerce transactions may be subject to dispute through credit card issuers, contingent upon the bidder’s ability to substantiate claims of seller misrepresentation. Initiating disputes on a fraudulent basis constitutes a form of fraud and represents a breach of AuctionNinja's bidder terms.
Your personal, password-protected dashboard allows you to track your bidding history, favorite lots, and more. The dashboard is essentially your account profile. From your dashboard, you may update your personal information at any time -- including billing address, credit card, etc. You may view your consignments with individual vendors (if you're a consignor) and/or your past purchased. Additionally, if you're following several lots from a variety of vendors, you may manage your bids directly from your dashboard vs. trying to watch multiple auctions simultaneously. In other words, manage your bidding on only those specific lots in which you are interested.
When your card is declined, you can easily pay your invoice. Though you might update your card, you still need to manually pay the invoice.
First, select "my account."
Once on your dashboard:
Invoices aren't automatically paid when a new payment method is added.
Select the “INVOICES” button, and locate the unpaid invoice.
Select PAY to pay the invoice. The pay button is located next to the “PRINT” button.
If your unpaid invoice doesn't appear:
Date range:
Are you looking outside of the 30 days displayed by default?
Filters:
Are there any additional filters on your search search?

Changing/adding your reseller tax ID certificate is easy on AuctionNinja. You may update your information at any time by logging onto AuctionNinja.com. Click on MY DASHBOARD. Then click on ACCOUNT. Click on PREFERENCES. Check the box next to TAX INFORMATION. Enter your TAX ID # and be sure to upload a copy of the certificate.
***IMPORTANT: You must include a copy of the certificate in order for your Tax ID to be valid. Providing your Tax ID number only is not enough. It must be accompanied by the certificate. Contact and address information must also match the information on the certificate.***
AuctionNinja's dedicated team vets every bidder tax certificate with your state's database. This means, in order to be tax exempt from ANY auction, bidders must upload their tax certificates to their bidder accounts for review. Tax certs are generally approved within 1-2 business days.
If you did not upload your tax certificate prior to bidding, refunding sales tax is up to the individual auctioneer. Tax exemption is automatic if your certificate is uploaded to your bidder account.
On AuctionNinja, all sellers have their own payment processor. This means you have to associate each payment method, with a specific auctioneer.
First, log into your AN account, and click "My Account."
Next, select the ACCOUNT button.
Hover over the account tab, then select manage payment options.
Once you have entered the manage payment options section, you can click "add new credit/debit card."
Please keep in mind:
You MUST register your payment method with an auctioneer. Every auctioneer has their own payment processor. This maintains the security of your payment method and puts the burden of processing payment requests on the auctioneer.
You may opt-in to receive email notifications about sales powered by AuctionNinja by clicking "Sign Up" in the menu bar.
The AuctionNinja platform allows you to customize the information you receive about vendor sales. You may do this with the "Build Your Newsletter" option. To access this, simply login to your dashboard. Hover over the "Your Account & Bids" menu tab and select "Build Your Newsletter" in the drop down box. From here you can filter the vendors you see by state and a zip code radius.
You will see all the current licensees/vendors who are located within your parameters. Simply click the heart icon in each vendor's box to either follow or unfollow that specific vendor (gray heart is unfollow, red heart is follow). You will then only receive emails when there are sales provided by those vendors you follow.
Be sure to periodically update your choices, as new licensees/vendors register and you may want to follow their sales too.
AuctionNinja is an intentionally crafted marketplace for estate sale professionals, auctioneers, and resellers (people who buy and sell items for a living). These professions require extensive professional knowledge in order to operate within the bounds of (sometimes) complex laws that vary state to state. Though we don't allow non-industry businesses or individuals to hold seller accounts, you may contact any of the AuctionNinja vendors who service your region. Check out our HIRE AN ESTATE SALE COMPANY page to search by zip for a pro in your area.
New York
Massachusetts
Vermont
Illinois
Texas
Colorado
Florida
Connecticut
California
Connecticut
New York
Pennsylvania
New York
Rhode Island
North Carolina
Texas
Washington
Massachusetts
Washington
District of Columbia