One little known and underused method in getting your own content is via public domains. If you are not familiar with the term "public domain", "public domain" simply means anything that is NOT protected under US copyright law.
Republishing and repackaging public domain information can help you save time and effort from creating new ideas and content as they are readily available. On top of that, you do not have to pay royalties or copyright fees on that work.
The pros and cons of publishing
The most obvious reason publishing an eZine can be the most ideal business to you is that it is so easy to start that any individual can do. There is no need to invest in starting a brick and mortar business or even staff and heavy machines for that matter.
Most importantly, you get to build your own personal media and spread your marketing influence, making you more valuable to product and service owners thus do not be surprised if you receive Joint Venture proposals every so often.
One obvious challenge most beginning eZine publishers face is the creation of eZine content. Creating your own content can be tiresome, especially if you are not a gifted writer and that you run out of ideas every so often that your publishing schedule is threatening you.
In conclusion, you can easily tackle the content creation challenge using the mentioned methods that do not require writing on your part, free or paid.