Note: Turning chain counts as a stitch in all but ss and sc, which means you work into the tch as your last stitch, unless otherwise specified in your pattern.
The exception might be the half-double crochet. Some people prefer not to count the tch as a stitch for a hdc. In that case you would go into the 2nd ch from hk on the foundation chain, and after turning, go into the first stitch of the row. Whatever your choice, be consistent.