I’m a member of American Woodworker online and receive emails periodically. Today I received this and remembered reading the topic you brought up here…so I pasted a link below…I found it informative and might be a helpful tip for you and others…

http://www.americanwoodworker.com/blogs/techniques/archive/2014/05/15/aw-extra-5-15-14-precision-3-wall-scribes.aspx?utm_source=AWNL&utm_medium=email&utm_campaign=AWNL_20140515

Measure "at least" twice and cut once