A community college awards an associate degree, not a bachelor's degree, which is needed for many jobs.
Because many community colleges cater commuter students, they lack the residential, community feel of many four-year colleges.
Community colleges normally do not have extensive library systems or other resources, such as exceptional academic advising for students.
Depending on the four-year university at which you want to continue your education, transferring credits might be hard because the university might not recognize the credits you received at your community college.
There is less student interaction at a community college compared with a four-year school, possibly leading to more problems networking.