Where do you want to be in five years? Debt free (that's if you have debt), married, a homeowner, etc? It would be best to have a goal and figure out how to achieve those goals.
I would suggest the Dave Ramsey method if you don't know where to start where you save $1000 emergency fund (only use for emergencies), start paying off debt using the snowball method (paying the smallest debt first and then move on to bigger debts), once you pay off debt then save for a 3 to 6 month emergency fund, and once you do that then start investing 15% in a company match 401k or Roth IRA, and then start getting a down payment for a house.
Depending where you are on the baby steps, the more you'll get to accomplishing what you want to do. I will say to start a monthly budget and assign every last cent to a line item in your budget, and live on less what you make. Don't fall into the trap of getting a car loan and end up being upside down on it. I'm not opposed to credit cards, but just have 1 and pay it off every month.
Just some thoughts on someone who has made a bunch of mistakes, good luck!