Be open about your financial goals and discuss the important things with your partner before taking a huge step like getting married. Prepare a budget sheet together and share your expenses.
Before applying for loan, check your credit and debt history. If there is a poor credit history from either partner it reduces the chances of getting a loan and even when your loan is sanctioned you have to pay more interest rates.
Make sure all your legal documents, beneficiaries and wills are updated on the demise as a way to manage finance.
Maintain a joint bank account for easy transaction. You may have separate policies or insurance coverage. Put all your cars and purchases under best coverage to save money.
If you have an emergency saving account then it means you are on the safe side for unexpected expenses in marriage.