First, you must change the way Windows separates spreadsheet data. Go to the Windows Control Panel. Enter the "Regional and Language Options" menu. Select "Customize". Change the "List separator" to ";" (a semicolon). It is normally "," (a comma). Note: This procedure requires editing a game file; creating a backup copy of the file before proceeding. Using Microsoft Excel, edit the "mapBalance_arcade" (for Business mode) or "mapBalance_casual" file (for Design mode) in the "\Janes Realty\data" directory. You should see the values in separate columns. The second column is the value for money that you start with for each level. Change those values as desired.
Note: This procedure requires editing a game file; creating a backup copy of the file before proceeding. Using a text editor, edit the "balance.ini" file in the "\Janes Realty\data" directory. Change the values of the various lines as desired.