And you can prevent losing money if you can avoid common money mistakes people make, especially when you're in your thirties. There are probably 20 or 30 money mistakes to avoid in your thirties, but I've narrowed it down to what I think are the 10 most important. Not Investing or Not Investing EnoughIf you're making any of the mistakes on this list, you're almost certainly not investing enough money, or not even investing at all. From a tax standpoint, you gift money to a 529 plan, much as you would if you gave money directly to your child. Remember Warren Buffett's rules about not losing money, and do your best to avoid making as many of these mistakes as you can.

Source: Forbes June 04, 2019 14:48 UTC