Theres no need to start all these : Call Cousin Vinnie cheats.

If you follow the following steps, you will have a sucessful city.

1.) Hold Down Ctrl + Shift + Alt + C.
2.) In the Popup Box, tpye : i am weak {This makes everything except for bulldozing free}
3.) Build a Square type Area of Light Density Residential, and Build a Road all the Way aroung it.
4.) Then build a Square of Light Density Commercial, and one of Light Density Industrial. Build Roads around them also.
5.) Build Medium Density Residential Next to the Light Density Residential, and Join the roads up. In between, plant trees and joyful things like Parks or Playgrounds.
6.) Build an even smaller area of High Density Residential, and then build roads connecting all of the Zones...
7.) Do the same for Industrial, but near the Industrial Zones. {TIP : Keep Industrial and Commercial away from Residential, but not too far away.}
8.) Build Garbage Constructions and Land Fill sites just a few grid squares away from The Dense Industrial, and build a Road surrounding the Land Fill site.
9.) Put Landmarks around where you want your Centre to be... Put the Rewards such as Mayors House and City Hall next to the Landmarks... {Press Ctrl + Shift + Alt + C to open the box, and type ; Pay Tribute to Your King...This enables all rewards.}
10.) After that, build a separate area, putting all Medical Research, Military, and Space Research buildings there, and a Road connecting them to the City. Build High Density Residential around the City Centre, and lots of Flats or Big Houses should be built there.
11.) Build a Road out to the edge of the City, and Build a Large Area of Airport Zoning...Build a Road round it, and a few roads inside it, so that they develop all over.
12.) Connect Water and Electricity, of course, and also, if you wish, build a Seaport around your Water Supply.
13.) Connect your Out of Town Roads to a Highway, and connect them to your Neighbours.
14.) Raise all the Taxes to 6, and Press Play.

This should provide a Stable and working City.