Fast money:
Use a text editor to open the "bgruppen.dat" file in the 1503 ad\data folder. Find the entry:

Preis: NUMBER

Whatever number you enter your people will pay. Save the file and start up a game!

Change game speed:
Press F11 to speed it up, F8 to slow it down and F4 to return to normal.

Thanks to Revolution readers D.J. and Alex Cross!