First, try to communicate with the client to understand the reason for the delay. If that doesn't work, consider using local platforms like Workana or Freelancer to file a dispute, as they often have processes to protect freelancers from non-paying clients.

Yes, you can consider sending a formal demand letter or consulting with a local lawyer familiar with freelance contracts. In some countries, small claims courts may also be an option for amounts under $5,000.

Establish clear payment terms before starting any project, such as requiring a 30% deposit upfront. Platforms like Fiverr or Upwork often have built-in escrow systems that ensure payment is secured before work begins.

Common reasons include budget issues, miscommunication regarding project scope, or clients facing financial difficulties. It's essential to set clear expectations and maintain open communication throughout the project to mitigate these issues.