It is quite common to meet clients who think that a small extra task should be done for free because they are already paying for a main project. Many freelancers feel bad saying no because they want to keep the relationship good but this often leads to doing too much work without getting paid. Working for free can quickly make a person feel tired and lose interest in their business. Setting boundaries is important to stay profitable over time. What methods do you use to tell these clients that extra work requires extra pay?