Port Royale 2/Making money/Loans
Loans are one of the easiest ways to get money, at the start of the game, there are people offering you loans. These may be useful if buying ships or if you need money to buy buildings. Later on, those people will ask for money, give them that and they will give you more later, having a higher reputation will earn you more money. Also, the size of the town you buy from and your wealth will affect this.