Not only that, but someone can register a domain and host their site through Weebly as well. It's an all-in-one website solution, making Weebly an easy sell to just about anyone.
As an affiliate, you can quietly make money with Weebly. They have pre-made links and banners you can easily embed onto your website(s). These links and banners have your personalized code in them and you'll get a commission whenever someone signs up with Weebly as a Pro user or with a domain & hosting.
Here's another advantage with a Pro Account: Customizable Footers! Every basic account comes with a pre-designed link inviting people to get their own Weebly website. In other words, Weebly uses basic account websites as marketing tools for themselves, which isn't a bad thing, but non-affiliate members mi$$ out.