I like to sew the binding to the back and machine stitch on the front. The only problem I had was that I did not like the way the back looked. Sometimes I caught the binding and sometimes I did not. I Started using my stitch in the ditch foot to sew the front down. I barely cover the stitching line (that attached the binding), and set my needle to sew anywhere from an 1/8 to a 1/4 inch from the edge of the blade. This distance depends on how wide my binding is. Not all "stitch-in-the ditch" feet allow for needle movement side-to-side, so be sure yours does. Starting with heavily starched binding helps. The only pins I use are at the corners. The back of the binding ends us looking just as nice as the front. Below are a few pictures.
Start with all four corners already mitred and pinned down.
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Getting ready to hold the mitre down while working to turn the corner.
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Holding the corner, sew to the fold, then stop with needle down before turning the corner.
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Turning the corner.
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Final result on back and front.
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