When Is It OK for You to Spend a Lot of Money?

Every ten dollars you can invest at the beginning of your life has a huge potential future result. Frugality important later on down the road, because people who become wealthy are the ones who tend to practise these principles and they become a part of them. Each time we choose to do something ourselves, our opportunity costs is what we could have been doing with the time that we gave up to do it. To me, opportunity cost is the key.