Research carefully before buying bulk wedding flowers. Online sites often claim to be wholesale - but rarely is that price passed on to the customers unless they hold a resale license.
However - customers are often required to buy many bunches. "Free shipping" is merely figured into the price.
I sell many popular wedding flowers, (including roses) - but I sell in single bunch quantities so the bride can choose a variety of greenery and flowers.
Don't be limited - please be sure to shop carefully and compare prices.