Open "config" file in the game folder. Search for "game.dat", and open with Notepad/ Wordpad.
Find:
>moneystarttutorial: 2000
>moneystartflat: 2000
>moneystartloft: 15000
>moneystartcottage: 50000
Change the numbers (whichever you prefer) to 999999999. This will be the amount of money you'll have when you start the game.
-->This process involves modifying the game file, so please make a copy of "game.dat" first.