Designing for your own party invitations sounds like a difficult task. Definitely someone will be capable of telling the design is very unprofessional. The home-made invitations can look great if you do some preliminary research and if you get acquainted with the basic of the designs. The selection of the high-quality paper and ink will play an important role.
The invitations requite to contain several elements. Knowing to put together and how to choose visuals, colors and fonts will give your invitations that the professional appearance you are trying to achieve.