I found a used rack at a thrift store and have it in a local shop with multiple vendors. I package mine the same as the previous poster with a paper envelope inside as well. I buy my clear envelopes at
chic and savvy crafters . I only sell locally. I price according to the level of embellishment and how much time/technique went into the card. and knowing my market, most cards are around $3. I know people in more urban areas with larger markets are able to charge more, but I am in small town rural Indiana.