BENTONVILLE, Ark. – Credit unions' concerns about Wal-MartStores' entry into financial services may grow as a subsidiary ofthe retail giant goes after the small business owner. Wal-Mart'sSam's Club has announced it will offer Web site development andother Internet services to small businesses. The Web site program'sprices start at $5 a month and will allow for e-email and onlinesales, according to Wal-Mart officials. Roughly 70% of smallbusinesses don't have a Web site because they say it's tooexpensive or too time-consuming to launch and maintain, accordingto Wal-Mart. One of Wal-Mart's rivals, Costco, the largest U.S.warehouse club, also offers a Web- site development service.