When opening a high interest savings account for the first time, consider the interest rate offered, as well as any fees that may apply. Check if there are minimum deposit requirements and whether you'll be able to access your funds easily. It's also wise to look for accounts that are covered by the Financial Services Compensation Scheme (FSCS) for added security. Be sure to compare different providers and read the terms and conditions carefully before making a decision. If you're unsure, you might find it helpful to consult with a financial adviser.