Affiliate websites are among the most popular assets on any website marketplace. They are easy to run, often need little customer service, and can earn money while you sleep. They also carry risks that a quick look at a revenue screenshot will never reveal. This guide walks through the checks that matter before you buy an affiliate site.
1. Map every affiliate program
Ask the seller for a list of every program the site uses: the network or merchant, the commission rate, the cookie duration and the share of total revenue. A site earning 80% of its income from one program is far more fragile than one spread across five. Then confirm three points for each program:
- Transferability: some programs let you change the payee on an existing account; many require you to open a new account and re-apply.
- Approval risk: if you must re-apply, could the merchant refuse you? Check the program terms.
- Rate history: commission cuts are common. A program that lowered rates last year may do it again.
2. Verify the revenue at the source
Screenshots can be edited. Ask for a live screen-share of each affiliate dashboard, or read-only access, and compare 12 months of earnings with the profit and loss statement. Look at clicks, conversions and returns, not just commissions. A sudden spike in the last two months before a sale deserves an explanation. Our guide on buying a website explains how to verify revenue step by step.
3. Audit the money pages
On most affiliate sites, a handful of pages produce most of the income. Ask which ten URLs earn the most and check for each one:
- its current Google ranking and the trend over 12 months;
- whether the products it recommends are still available and still in the program;
- the age of the content: outdated product roundups lose rankings quickly;
- whether the page depends on one search query that a large competitor could take.
4. Check links and compliance
Affiliate links must be disclosed clearly, and paid links should carry the proper attributes. A site that hides its affiliate relationships or buys backlinks aggressively may be at risk of a search penalty or a program ban. Review the backlink profile for spam, private blog networks or sudden bursts of links. Also check that the site respects the merchant’s brand rules, such as bans on using trademarked terms in paid ads.
5. Understand the traffic sources
Most affiliate sites rely on organic search. That is not bad in itself, but it means the value of the site moves with every Google update. Compare traffic before and after recent core updates. If the site lost 30% after the last update and never recovered, the price should reflect it. Sites with some email, social or direct traffic are more resilient.
6. Price the risk, not just the profit
Affiliate sites usually sell for a multiple of monthly net profit. Adjust the multiple for the risks you found:
- one dominant program or one dominant page: lower multiple;
- diversified programs, steady traffic, fresh content: higher multiple;
- declining earnings: price on the current trend, not on last year’s average.
See our valuation guides for how multiples work in practice.
7. Plan the transfer
Before closing, list every account to move: domain, hosting, analytics, Search Console, affiliate accounts, email list and social profiles. Agree in writing on what happens if a program refuses to transfer. Using escrow protects both sides until the assets are delivered.
Red flags at a glance
- The seller refuses live access to affiliate dashboards.
- More than 70% of revenue comes from one merchant.
- Main pages have not been updated in two years.
- Traffic fell sharply after a recent search update.
- Hidden or missing affiliate disclosures.
An affiliate site can be an excellent first acquisition if you buy it with open eyes. Take the time to check programs, pages and traffic, and negotiate a price that reflects what you find. Ready to look at listings? Browse the sites for sale on SitExit and apply this checklist to each one.