The document outlines 5 digital marketing blunders that small businesses should avoid: 1) Failure to listen to customers, 2) Failure to create and promote great content, 3) Failure to optimize their website for speed and mobile usability, 4) Failure to have a follow up system in place to convert leads, and 5) Failure to exercise patience as success takes time. It encourages testing website speed and usability, creating follow up campaigns, and persisting with digital marketing over the long run.