In 2026, a common mistake in high asset divorce is failing to trace separate property, which can cause assets you assumed were separate to be treated as marital. Another frequent issue is undervaluing a business by relying on informal estimates instead of qualified valuation evidence and clean financial statements. Colorado law directs courts to divide marital property in a just manner after considering relevant factors, so your documentation should show what exists, what it is worth, and how it was acquired. Complex debt needs the same scrutiny as assets, because lines of credit and tax liabilities can shift the real settlement value. You should also avoid hiding or moving funds, because courts can respond harshly and it can damage negotiation leverage. A lawyer can coordinate financial experts and discovery so the court receives a complete and credible financial picture.