How to Sew Perfect Corners - this is the best tutorial I have ever seen on how to sew neat corners. Her technique is brilliant! She also has a link to a youtube video on her blog, so you can see her do this in action. I highly recommend it!
Alteration: My new favorite way to keep original hem on jeans
Essential jeans-mending tutorial!! The best ever! I never thought of this, and it looks totally invisible. Now I don't have to throw out my jeans when they rip up the butt like they always do. also @Rebekah Burney I thought of you and your pants mending patch from Meijer