Fivetran is a cloud-based data integration platform that offers a usage-based pricing model, allowing customers to only pay for what they use. To optimize their usage and costs, Fivetran provides six tips: adding all sources to take advantage of economies of scale, removing schemas that aren't bringing value to the business, using the Usage Estimator to plan usage and costs, evaluating usage as part of total cost of ownership, monitoring usage with alerts, and setting up new data notifications for new tables or columns. By following these tips, customers can streamline their data pipelines while managing their costs, focusing on gaining valuable insights from their data.