It doesn't matter if you are sewing a lot or embroidering.  Clean your machine bobbin case on a regular basis.  The lint from the thread collects in this area and can cause problems if not cleaned out.  A dirty bobbin area can cause nesting and other maladies.  Keep canned air closeby and give the bobbin area a whoosh every time you reload a new bobbin.

Never use spray adhesive near your sewing machine.  The spray can gunk up your mechanics.

Always start a new project with a clean work area, clean and well oiled embroidery machine and a fresh new needle.