I have just found a blog post about the most genius way of knitting garter stitch in the round without purling or wrapping a stitch when turning the work for another knit row when going the other way.
Here is the link:
This is utterly brilliant and Fleegle is an out and out genius for coming up with this! Like someone said in the comments: I would have never thought of this. Not in a million years.
I just had to share this. This is something I will definitely try very soon!