Using affiliate links in emails is allowed, but there are some important things to keep in mind to do it right. First, make sure you follow anti-spam laws, like including a clear way for people to unsubscribe. You also need to be honest about your affiliate links by disclosing that you may earn a commission if someone clicks or buys through them. This builds trust with your readers. It's a good idea to send emails that provide value, like helpful tips or information, instead of just pushing links. This keeps your audience engaged and more likely to click. Check the rules of the affiliate program you're using, as some have specific guidelines for email marketing. Also, avoid sending too many emails to prevent annoying your subscribers. Test different approaches to see what works best for your audience. What are your thoughts on this?