How to create an online auction fundraiser in 7 easy steps

Online auctions are a proven way for nonprofits to raise funds without the cost of a live venue. They let supporters bid on donated items from anywhere, expanding your reach. 

In fact, recent data shows roughly 24% of donors give through online auctions. The average winning bid in a charity auction is around $529, so with good planning you can raise significant funds. 

This guide walks through each step, from setting goals to closing out, so your organization can run an engaging online auction that fits your mission and budget. 

How do you set up an online auction fundraiser?

Set a net revenue goal and timeline. Choose mobile-friendly auction software, publish the rules, and collect items that fit your supporters. Price each lot at its verified fair market value. 

Build clear listings, open registration, and promote the auction from launch through the final hour. After bidding closes, confirm payment, deliver each item, send accurate receipts, and thank every bidder, donor, and sponsor

Online auction fundraiser setup at a glance

How to create an online auction fundraiser in 7 steps

1. Set your fundraising goal, budget, and auction timeline

Begin by defining a clear fundraising goal (net dollars to raise) and the budget you’ll spend on promotion or platform fees. Decide on an auction timeline – for example, many nonprofits run online auctions for about 7–14 days. 

Assign team roles (who handles items, marketing, checkout, and item delivery). In the first 6–8 weeks of planning, set your target and success metrics, and decide policies like whether items will be shipped or picked up. 

Clear goals and responsibilities upfront ensure a smoother event.

2. Choose an online auction platform and set the bidding rules

Select auction software that fits your needs. There are free tools: BetterWorld, Givebutter, and Zeffy.

Important features to check: support for online (and hybrid) auctions, a mobile-friendly bidding experience (no app to download), real-time outbid notifications, and easy checkout. Test the platform on a smartphone to make sure bidding works without extra downloads. 

Also compare pricing models: some platforms charge per event or user, others take a portion of funds raised, and some have flat annual fees (often $2,000+ for larger systems). Always ask about payment processing fees as well. 

Finally, establish your bidding rules: decide whether you’ll allow “buy-it-now” fixed-price purchases (popular with 61% of younger donors), set an auto-extend rule (to prevent last-second sniping), and determine payment methods (credit/debit, digital wallets, checks).

3. Source auction items your supporters will actually bid on

The heart of your auction is the items. Seek a mix of high-demand, unique lots and budget-friendly options. Focus on experiences and exclusive items that bidders can’t easily buy themselves. 

Good examples include travel packages, sporting or concert experiences, signed memorabilia, art or crafts by local artists, and themed baskets. Avoid items that rarely sell (e.g., generic services or everyday goods). To stock your catalog, reach out to local businesses, corporate sponsors, and major donors, as your auction offers them publicity and a chance to support the cause. 

You can also bundle smaller donations into an appealing package (e.g., a spa gift certificate with related products). Some platforms even provide curated “instant items” (like BetterWorld’s Instant Items) that you can add to your auction at no cost.

4. Set starting bids, bid increments, and buy-it-now prices

For each item, set a fair opening bid – a common guideline is around 30–50% of its fair market value. For example, if a trip is worth $1,000, you might start bidding at $300–$500. 

Set increment steps (how much each bid raises the price) in the range of 5–10%, so bids move up by meaningful amounts without jumping too high. 

Clearly list any “buy-it-now” or fixed-price options. In your catalog entries, include any minimum bid and “buy-it-now” price so bidders know their options. Consistent rules and clear pricing encourage competition and higher final bids across your items.

5. Build your auction catalog and open bidder registration

Create your online catalog with high-quality photos and descriptions for each lot. Since bidders can’t inspect items in person, make images bright and descriptions informative: explain what the item is and why it’s valuable. 

Organize lots by category or include a search function so supporters can find items that interest them. Meanwhile, open bidder registration early, so supporters can sign up and provide basic details in advance. 

Whenever possible, collect payment or contact info during registration – many platforms allow saving a credit card on file – so that checkout is seamless once bids close. 

Finally, announce the official start date and time for bidding. Some experts recommend sending a “10 minutes to close” alert near the end, so bidders remember to place final bids.

6. Promote the auction and keep bidding active until closing

Good promotion is key. Start at least 2–3 months ahead by announcing the auction on your website and email newsletters. 

Use segmented email and text campaigns to different donor groups, and post about it on social media (consider special events or paid ads for extra reach). Share sneak peeks of your best items to build excitement. 

Before launch, give supporters an easy way to register (a “learn more” link or QR code on flyers and emails). 

Once the auction is live, maintain momentum. Send regular reminders (daily or weekly), highlight one or two featured items, and post a countdown as the end approaches. Make use of the platform’s outbid alerts and watchlists: these automatically notify bidders when they are outbid, drawing them back to the auction. 

Consider live updates or gamification (leaderboards, badges) if your software supports it. The idea is to keep supporters engaged; after all, fundraising auctions are social and competitive by nature.

7. Close bidding, collect payments, fulfill items, and thank supporters

When the auction ends, immediately close bidding on all items. Ideally, winners’ payments should process automatically via the platform (credit card, ACH, Apple Pay, etc.), with instant receipts sent to them. 

If some donors prefer to pay later, be ready to invoice them. Next, coordinate item delivery: specify in advance how winners receive their items (in-person pickup or shipping). Many nonprofits allow free pickup at the office or event. 

If shipping is needed, make sure winners cover the cost and provide their address. (BetterWorld can even manage fulfillment for auction items.)

Finally, follow up quickly with a thank-you. Send personalized emails to thank each winner and supporter, include donation receipts, and highlight the impact of their gifts. 

Share the auction results (total raised) to show how much was achieved. 

How long should an online auction fundraiser run?

Most successful online auctions stay open about 1 to 2 weeks. This gives enough time for bidders to discover items and place bids, but isn’t so long that excitement dies down.

However, the exact length can vary: shorter auctions (3–5 days) can work if you have an engaged audience, while larger auctions may stretch to 10–14 days to allow shipping of more goods. Plan your duration based on your team’s capacity to promote and manage the event. 

How can you raise more from an online auction?

• Bring in more bidders through email, social media, partners, and shareable links.
• Match item quantity to likely demand to keep bidding competitive.
• Offer accessible, midrange, and premium lots for different donor budgets.
• Use maximum bidding, outbid alerts, countdowns, and auto-extensions.
• Add a direct donation form for supporters who do not want to bid.
• Sell sponsorships to help cover auction costs before bidding starts.
• Make bidding, payment, checkout, shipping, and taxes simple.
• Follow up with bidders after the auction. 64% of auction attendees said they were likely to become monthly donors.

Common online auction mistakes to avoid

• Starting promotion too late or going quiet after the first announcement.
• Accepting too many items or listing lots with weak bidder appeal.
• Publishing vague restrictions, poor photos, or unverified item values.
• Setting opening bids too high for people to start bidding.
• Launching without clear bidding, cancellation, tax, shipping, and pickup rules.
• Failing to test registration, checkout, card payments, receipts, and winner messages.
• Letting bidder engagement drop during the auction.
• Leaving shipping costs or pickup responsibility unclear.
• Calling the full winning bid tax-deductible.
• Mailing regulated items without checking carrier and state rules.
• Failing to thank bidders and share results soon after the auction.

Run your next online auction at zero cost with BetterWorld

BetterWorld is an all-in-one fundraising platform that can help nonprofits run auctions and more. Trusted by over 100,000 organizations, BetterWorld lets you set up events in minutes and automate many tasks. 

It supports online, hybrid, and live auctions on one platform, with features like mobile bidding and instant checkout. In fact, BetterWorld clients report raising more; for example, adding “Instant Items” to the catalog can increase auction revenue by about 54%. 

It also tracks bids in real time, handles payments (credit cards, PayPal, digital wallets), and even offers automated fulfillment options. BetterWorld can save your team time and help you raise 30% more on average, so you can focus on your mission while the software runs the rest. 

Sign up now for free or request a demo!

FAQs

1. How many items should an online auction have?

Aim for quality over quantity. A common rule of thumb is about one item for every four potential bidders. In practice, that might mean 20–50 lots for a mid-sized campaign. Too few items leave money on the table, but too many can overwhelm bidders.  

2. Can people view an online auction before bidding opens?

Yes. Many platforms let nonprofits publish the auction catalog early so supporters can browse items and plan their bids before the start time.

3. Do online auction bidders need a credit card?

Many platforms require a payment method before accepting a bid. BetterWorld requires bidders to keep a card on file, which also helps reduce fake bids.

4. Should nonprofits show the fair market value of auction items?

Yes. A good-faith fair market value helps bidders understand an item's value and whether part of their payment may qualify as a charitable contribution.

5. What happens if a winning bidder’s payment fails?

The bidder should be given a way to retry the payment or enter a new card. The nonprofit should also track unpaid winning bids until payment is completed.