A lead magnet (a.k.a. an optin bribe) is something amazing that you give away for free in exchange for an email address. This doesn’t have to cost you anything to create; most lead magnets are digital materials like PDFs, MP3 audio files, or videos that you can create yourself at minimal or no cost. It can be absolutely anything you want, so long as it provides value to your visitors for free.

After you have entered your "List Name" you will need to enter a "List Description." Here is where you will describe the kind of information you'll be sending from this list. There is a 400 character limit for the "List Description." Subscribers will see your "List Description" on the unsubscribe page if they ever go to unsubscribe from your list. Once you are done entering your "List Description" click the "Next Step" button.
I do agree that you should not build your business on free entirely. However, I also agree that if you are a small blogger or a non-profit organisation it is nice to save some money as you do not earn much. I’ve actually been using Mailerlite forever free plan until I’ve learned to comunicate with my audience and grown my business a bit to finally pay some money for newsletter service. You can check their quick comparison to MailChimp here: https://www.mailerlite.com/mailchimp-alternative That’s my personal alternative to MailChimp. Cheers!
The image above is a screenshot from my account showing that I have three follow up messages set at the moment. The first one is the eBook, the second one arrives a few days later and is a thank you message, and the third one is a tactic that I use on my blogs that I only share with my email subscribers. The follow up email function allows me to create a deeper sense of value with everyone who is subscribed.
To start, you’ll have 700+ templates to choose from. There are some very nice layout customization options here, once you learn how to use them. AWeber uses both “sections” and “blocks” in its organization. Blocks are elements like text boxes, images, etc. Sections are the frameworks in which they exist. Most programs use similar organization, though they may use different terminology. The difference comes in your ability to edit or customize the sections themselves. In previous versions, the ability to customize elements like buttons was limited–you couldn’t change the text of buttons–but you now have the ability to easily customize those elements.
Before you can send AWesome emails with AWeber, you'll need someone to send it to. The easiest way to begin building your list is to import contacts that have opted-in to your email list, or gave you permission to send them emails. These could be subscribers you've emailed from another provider, or a list of contacts that you've built through your business.