When it comes to Valentine’s Day, a homemade card is sweeter than fancy chocolates and more personal than blooming roses. And with Martha Stewart Crafts, unleashing your inner cupid is as easy as 1-2-3: 1.     To express your heart’s desire, start with the utterly charming Martha Stewart Crafts “Stamp Card and Envelope Set” – it includes 18 scalloped edge note cards and matching envelopes with heart-accented labels so you can share your love with everyone you wish. 2.     Add your personal stamp with the “Wood Stamp Valentine’s Day Hearts” set of 12 mini stamps nestled in a reusable wood crate. 3.     Seal with a kiss…and with “Valentine Cupid” and “Valentine…