A dozen roses delivered will cost you about $80 ... 3 Put new water in your vase. Make sure the water is room temperature and change that water every two to three days. #4 Feed your flowers.

At the online seller 1800flowers.com, a dozen long-stemmed red roses in a vase will cost you $79.99, while they'll leave you lighter by $99.95 through Teleflora. Those companies and online sellers ...

"It's not just a dozen roses," she said. "It's a dozen roses. It's greenery. It's filler. It's a vase. It's preservatives. It's the person cutting all the flowers. It's everything." While ...