This is a very common knitting problem: After only a few stitches of your first row of knitting, you notice that the strand of yarn connecting the knitting needles is getting longer and longer. Learn what went wrong, and how to avoid it.
I am going to run out of yarn before I finish the yoke. Details in comments. What would you do? : r/knitting
Troubleshooting Knitting Problems
Knit Below
Knitting a tension square. Is it essential? – Through the Stitch
technique The Interior of My Brain: A Knitting and Fiber Arts Blog
Knitty: Summer 2006
Knitting in the Round: Preventing Extra Stitches at the Needle Change
technique The Interior of My Brain: A Knitting and Fiber Arts Blog
Fixing Knitting Mistakes - Frogging Your Knitting (or Taking Out Multiple Rows)