Here is a list of some great tutorials that have been so useful to me! If you think of any that should be added, comment below!
1. Securing PDFs - http://msfultz.blogspot.com/2013/07/work-your-blog-wednesday-pdfs.html
2. Adding Facebook Freebies - http://msfultz.blogspot.com/2013/06/work-your-blog-wednesday-facebook.html
3. Custom Facebook Tabs - http://msfultz.blogspot.com/2013/06/work-your-blog-wednesday-customizing.html
4. No-Reply Blogger - http://www.flusterbuster.com/2013/02/are-you-no-reply-blogger.html
5. Adding TpT widget to your blog - http://crayonboxlearning.blogspot.com/p/blog-tutorial-1-installing-tpt-links.html
I know all the above have made my life easier and I hope they can help you too!