When most people young, rarely are long term consequences taken into account as much of tomorrow isn't thought about. One problem for many when young is making a series of bad decisions that ends up ruining their credit as they are older and want to rely on it. What you need to do when you are young are things that are going to help you protect your credit. Find out what you can do right now.
Don't make the mistake of getting into major debt right now thinking that you will just pay it off later. Many will think that their next job or money earned later in life will cover the debt. The problem is that when you have such high debt and limited income, your credit scores drop leaving you with less chance of getting good rates on major items like cars and homes.
Don't apply for every loan and credit card that you might want but really don't need. You will be rejected a number of times. Each rejection leaves a bad mark on your credit. If you do this a number of times, you will start being rejected from being rejected too much which can only be improved with time.
Be responsible with the things that you agreed to pay for. If you owe it, you need to pay it. Don't assume the company won't care or that there won't be any consequences.
You need to monitor your credit report for problems. A few things happen with these reports. Sometimes there are mistakes on them from a related name or even a relative with the same name. You need to get these mistakes off. There are also those who steal your identity. Seeing your credit report will help you spot this and get it fixed as soon as you can.
Pay everything on time without being late. There is no excuse with today's technology to not have a more than a few automated reminders. Paying on time boosts your credit score. Paying late drops it big time.