how to become freelancer and why ???

first we have to know what is freelancer ?? freelancer is person who can work without long-term commitment to any one employer .
the fields where you can work as feelancer is especially common include jounalism and writing , copywriting , computer programming and graphic design , consulting and many other professional and creative services.

where you can offer your services ??
many websites but the best is the website above which is getafreelancer