The phrase "handy resource" refers to something that is convenient, useful, and readily available to assist with a particular task or situation. Full definition
It's a very handy resource for indie authors and in fact anyone looking at publishing an ebook. (publishyourownebooks.com)
There are some very handy resources you can use to find out more about what you're taking. (jrlawfirm.com)
You want to streamline communications in your school and adding handy resources in a visible place for parents to reference is a great way to do so. (blog.classtag.com)