You are self-employed and want to focus on the important things
Good reasons why work as a freelancer instead of self employment
1. no bookkeeping
2. don`t need to deal with social insurance
3. don´t need to write bills and reminders
4. Entitled to unemployment benefits is retained
5. enjoy the benefits of an employee.
In addition, often threatens a bogus at the social insurance which may mean the risk of social insurance surcharge for your customers.