An auction website is a marketplace: the items belong to your sellers, the money comes from your buyers, and your website earns a fee for bringing them together. Choosing the right fees is the most important business decision you will make.
Here are the six revenue models used by successful auction websites, and how to combine them.
1. Seller Commission
The classic model: the seller pays a percentage of the final price when the item sells. Typical rates are 5–15 %, depending on the value of the items and the services you offer.
Why it works: sellers only pay when they earn, so it's easy to attract them.
2. Buyer's Premium
Used by almost every traditional auction house: the winning bidder pays a percentage on top of the hammer price, often 10–25 %.
Why it works: it lets you keep the seller commission low – or even zero – which attracts the best sellers, while buyers of high-value items accept the premium as part of the price.
3. Listing Fees
A small fixed fee for every item listed, for example $1–5.
Why it works: it earns money even when an item doesn't sell, and it filters out low-quality listings. Many sites combine a low listing fee with a commission.
4. Featured Listings
Sellers pay extra to appear on the home page or at the top of the search results.
Why it works: it's the easiest upsell on any marketplace – sellers immediately understand the value of more visibility.
5. Advertising
Banners from related businesses: shipping companies, insurers, appraisers, dealers – or automatic ads like Google AdSense.
Why it works: your traffic becomes a second source of income without changing the experience of your buyers.
6. Make an Offer and Buy Now
Not a fee in itself, but a way to sell more items – and every sale pays a commission. Buy Now captures impatient buyers, Make an Offer turns hesitant visitors into buyers.
Which Combination Should You Choose?
- General marketplace: small listing fee + 5–8 % seller commission + paid featured listings
- Luxury, art and collectibles: low or zero seller commission + 15–20 % buyer's premium
- Car and equipment auctions: buyer's premium or a fixed buyer fee + bank transfer for large amounts
- Charity auctions: no fees, or a small buyer's premium that goes to the cause
Don't Give Your Revenue Away
Many hosted auction platforms take their own percentage on top of your fees, every month, forever. With self-hosted software you keep everything.
PHP Bid includes seller commissions, buyer's premium, listing fees and featured upgrades out of the box. Every fee becomes an automatic invoice – with VAT if you need it – that members pay by Stripe, PayPal or bank transfer. You pay once for the license and never share your revenue.