What can you buy with only a dollar? Anything at Dollar Tree, for starters. All your favorite Dollar Tree items are now available in bulk quantities online. At DollarTree.com you'll find an assortment of bulk floral supplies and decor, party supplies, school and office supplies, arts and crafts, toys and games, personal care items, cleanings, storage, and hardware, and kitchen and tableware. Every price per unit breaks down to $1 or less per item.