Unfortunately, there are no shortcuts when it comes to saving for retirement. Instead, you must do all the small things that can add to a stable post-career life. Reining in spending, keeping costs down, and setting aside extra funds are just some of the intelligent things you can do to grow the money in your nest egg. Here are 25 tips for boosting your retirement savings and investing in your future self. 1. Start smallAs with any habit, when you change your routine, it is a good idea to start small. Make manageable changes before moving to more significant, more daunting tasks like investing…