Apart from saving money in the house you can also save money outside by cutting down on your taxes, decreasing your debt, getting insurances for your car, child’s education, health etc.

If you are a retired or soon to be retired then invest your pension at a safe place which will give you a good return.
While paying taxes most of us take the standard deduction. But you can save money on your taxes by itemizing your deductible expenses.

Use less number of credit cards. It will help you reduce your debts.
Pay your bills on time. If you are late then you could have to pay a higher amount than you should have because of late fee.

Negotiate with the credit card companies to reduce your interest rates.

Shop for car insurance. Don’t just go for one insurance service provider. Check out all the options available instead.
If you are old or suffering from some serious disease then write your will well in advance.