Type in "damn" and all of your residentual area will turn into churches.
Start a new city. Then after the 1st year type in fund 10 times and take all the bonds that are 25%. Keep on doing that for every year that follows except take all the bonds from the second year on. You do not have to pay the bonds back.
Press caps locks and type "FUNDS" and your money will double. Don't do it to much or your city will blow up.
In SC2k version 1.0, typing "porn tips guzz ardo" gives you 500,000 dollars and all prizes except the military base.