Good reasons to work on a personal project – It helps you build/hone skills. The work is exciting for you, and something you enjoy doing. It gives you a creativ

Good reasons to work on a personal project – It helps you build/hone skills. The work is exciting for you, and something you enjoy doing. It gives you a creative outlet. The final result is something you can be proud of. Bad reasons to work on a personal project – You expect it will get tons of users and gain broad adoption, and will consider it embarrassing and a waste of time if it doesn't.