How to get more for your money with everyday purchases

Q: When we got married 11 years ago, my husband was used to buying whatever he needed whenever he wanted it. He used a credit card or line of credit and then worked to pay it off as fast as he could. I earned less and was still finishing a graduate degree, so I couldn’t do that. I had to make do with less and save up for the expensive things because I didn’t want to be saddled with debt while trying to also pay for school. Now we both earn good incomes, own our home and have a family