Black Fridays, Cyber Mondays, Christmas, Easter, and whatnot. For most of these holidays, vendors tend to launch special time-limited deals and discounts.
Beyond just inquiring about the commission structure of a particular referral program, be sure to also confirm their payment terms before signing up. For example, would your contact have to be a customer for a certain amount of time before you get your payout, or do you get your commission immediately when they sign up and make a purchase? It’s important to be clear about expectations before entering into an affiliate partnership so both you, your customers, and your affiliate partner are on the same page.

In a nutshell, affiliate marketing lets you earn a commission for recommending products or services from someone else.
Of course, it's worth running some manual checks as well, like visiting linking pages and checking for obvious signs of spam. But, from the automatic check, it looks like the website is well worth the money.