A Very useful link if you want to add swarovski crystals to various fabrics and the correct glue to use when applying the crystals. Most important - all of these glues should be used in well ventilated areas.
the pricing formula ... aguide, although most won't actually realize the kind of profit laid out by this formula. I think most of us under-pay ourselves for the time we invest in our projects, but ultimately you have to come to a compromise: a price the consumer can accept, and a profit margin that makes it worth your while. In any case, it's good to know how others calculate their retail pricetag.