Circulars don't take any more learning, actually they take less because you never turn when making the tube.
If you really wanted to you could do a form of double knitting where you work one stitch, slip the next stitch, then when you get to the end you turn and work the stitches you slipped last time and slip the ones you worked.
But that does take some learning.
Or you could rewrite the pattern so it's seamed but then you have to learn how to rewrite the pattern and how to seam.
Petroleum based knitter, removing that nasty oil from the ground one skein at a time.