Avoid Useless Business Training Courses

When Donnella Tilery left her publishing job six years ago to start an event-planning business, she devoted $5,000 to entrepreneurship training. Owning a small business was “a totally new thing for me; it wasn’t a core competency, and I just knew I needed an education,” says Tilery, the 39-year-old owner of DC PR Worldwide in Raritan, N.J.

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