Generate a full, in-depth guide on debt consolidation. The guide must be objective and clear. It must include detailed sections on: 1. How Debt Consolidation Loans Work, with a list of pros and cons. 2. How Balance Transfer Credit Cards Work, including a warning about introductory periods and transfer fees. 3. A checklist of questions to determine if consolidation is the right choice for you. 4. How to avoid the common pitfall of running up new debt after consolidating. Please include a strong disclaimer to check interest rates and terms carefully.