Hello everyone. This will be my first bike purchase and I don't have a large budget for it. Around $150-$200.. I will be looking on craigslist. I don't know much about bikes. My commute to work is about 5 miles and to school it is about 3 miles. The commute to work will be into the downtown area. So I don't need anything special. I just don't know what type of bike to look for. I don't think I want a full on road bike because of the small tires and I don't want a full on mountain bike. Is there something in between? What is it called? Any suggestions?