Passing down an inheritance? Here's how to handle these 4 complicated assets — including houses and retirement funds.

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• Having a comprehensive estate plan is crucial to ensure the preservation of your assets.
• Beware of legal and tax complications for common assets such as houses and retirement funds.
• One estate planning expert shares the best ways to deal with these challenging assets.

Nothing in life is certain except for death and taxes, which is why comprehensive inheritance planning is critical.

After spending a lifetime accumulating wealth, investors...