Choosing the right set of keywords in very important for maximizing your income. We have been trying and testing various niches and targeting several keywords. Some pay high while some are just waste of time. Here are some broad categories of keywords that has paid well to us: 1. *Keywords Removed* 2. *Keywords Removed* 3. Accounting 4. Banking 5. Medical 6. Travel related 7. Finance 8. Real Estate 9. Debt Management 10....