Tip #13 When adding a new ball of yarn, leave a six inch tail from the old ball, hang another 6 inch tail for the new ball, and begin knitting. Weave in the tail ends later. Always add balls at the edge of your knitting.
For a complete set of my tips and tricks, look for my latest book
Jil Eaton's Knitting School: A complete guide to becoming a confident knitter.