Welcome aboard to both the boards and to machine sewing.
If you will be quilting, our standard seam is 1/4" which seemed impossibly tiny to me when I started with a background in clothing construction.
Other than working with that seam allowance, my big advice is to change your needles often. If you ever hear your machine going pooka-pooka that means your needle is beyond dull and is punching holes in your fabric.
The internet is such a wonderful resource, not just manuals and helpful people but actual pictures and videos. We've got all sorts of people here at all sorts of skill levels and all sorts of areas of expertise, quilting and other! Glad to have you join us.