Unlock all buses, tracks:
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Open the file /data/profile1.dat with Windows notepad (the file can be found in your bus simulator install directory). Use the "find and replace" option to replace "-1" with "0". When you have done this save the document and all the buses and tracks will be unlockted.
Endless money:
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Open the file /data/profile1.dat with Windows notepad (the file can be found in your bus simulator install directory). The second value contains the money value, change this to something you think is good.