Wordpress have a free plugin called Landing Pages it is great, you have templates to choose from and you can add a video too. P

Wow you have a chimp that does your mail? That is so cool!! ;)

Aweber does cost $49.00 per month. It can be deducted as a business expense come tax time.

Tim

Try doing a search in your WP plugin area

http://www.adkreator.com/

Currently, it is free to join AdKreator and test out there design system. Free members can save only one design. In order to save, edit and have unlimited designs, you must have a paid account (Business). The normal upgraded price is $19.95 per month.

I see (after searching) that Jay did a webinar on email marketing.
https://my.wealthyaffiliate.com/training/success-with-email-marketing-wabinar

Affiliate marketing is against MailChimps Terms of Service, unless something has changed over the years. They will just ban your account and day and you'll lose your subs. I would double check this if I were you.