Unless you’ve been through a divorce before, going through the divorce process can be a bewildering move into the unknown. Mistakes may be inevitable, but some mistakes can cost you more than others, says financial planner Liz Weston. She tells the Associated Press that there are at least five divorce mistakes that can can be costly, and she offers advice on how to avoid them. Read her list of five costly divorce mistakes here. More divorce advice is also available at NerdWallet.