As an alternative, you can buy fringe. Several different types of fringe are pictured and the prices vary based on the length of the fringe. Aliah also advertises a variety of colors. Multi-colored fringe can be made to order. This fringe is sewn on to ribbon that can be cut without losing beads.
Some interesting beads are available on the fringes pictured.
Consider using the beaded fringe that decorates the bottom of Victorian lampshades. The fringe available at this web site would make a fantastic costume and the price is comparable to fringe made especially for dance costumes. Victoria's Mall For tribal or fusion style belly dance, fabric fringe is sometimes used. It is available from the following merchandiser. In addition to coins, Nature's Gems has sew on rhinestones and other items appropriate for making a contemporary costume.