The blog titled How Is a CPL Different from a PPL explains clearly that a Private Pilot License (PPL) is mainly for flying for personal use your own hobby travel with friends or family and enjoyment. On the other hand a Commercial Pilot License (CPL) is designed for flying professionally for pay for passengers for commercial operations.
If you only take PPL, you are limited: you can't fly for hire or be paid as a pilot. The blog says PPL holder can fly an aircraft for their personal passion & fun purpose with some limitations whereas CPL license allows a pilot to fly the aircraft for commercial use. With a CPL you open doors to become an airline pilot charter pilot cargo pilot or flight instructor.That means your flying becomes a career not just a hobby.
The blog compares key differences: for example PPL typically requires around 40-60 flying hours while CPL requires minimum about 200 hours. Also the cost of training is much higher for CPL (because the training is more advanced the aircraft are more complex and the regulatory exams tougher). So if you are only passionate and want to fly for fun a PPL might suffice but if you are serious about aviation as a profession, you should consider a CPL.
Because you want professional flying not just hobby flying. If your goal is to make flying your job earn from it carry passengers operate commercial flights then PPL alone will not get you there.
Because you're ready for the greater training higher responsibility and cost required for professional aviation. A CPL demands more hours more advanced skills stricter medical certification and complex aircraft experience.
Because long term your career scope and earning potential are far greater with a CPL than just a PPL. The blog emphasises that one of the major advantages of CPL is that you can earn from flying.
Because the blog How Is a CPL Different from a PPL underscores that although PPL and CPL cover similar subjects and flying training their purpose training depth and career opportunities are entirely different.