Thanks for the advice! The city is now so close to reaching 200,000 people. Its current population in 193,973. Now here's some advice. With these tips, I fixed my city. High-tech industry promotes commercial offices to grow. Another tip is that if your starting a city, start small. Zone all three types low wealth at first and then slowly expand and make the zones more wealthy. This will make the footstep to a big, successful city. Thanks for the advice and reading this post.