A successful marriage, like tiger training, requires clear communication, positive reinforcement, and at least one pair of bite-proof gloves. Gather nuptial necessities with today’s Groupon: for $30, you get $60 worth of invitations and stationery from Heavenly Weddings and Events.

Heavenly Weddings and Events' husband-and-wife team of celebration connoisseurs plan every detail of weddings, quinceañeras, and other parties, culling foldable missives for their clientele to send to potential partygoers. Extensive paper and online catalogs of paper goods includes invitations, save-the-date notes, "sorry for swallowing the ring" cards, and other special-occasion ephemera in a spectrum of designs and color schemes. A tranquil water background reflects burnished fall foliage on the Floating Leaves invitation ($57.90 for 75), and iridescent snowflakes dapple wintry Chill Out invitations ($57.90 for 75). A stylized interpretation of tie-dye lends a modern touch to the Psychedelic ’70s RSVP-wranglers ($57.90 for 75). The catalog also stocks cards for anniversary parties, bridal and baby showers, and wisdom tooth removal benefits.