An estimated $105 trillion will pass from older Americans to their heirs by 2048. But too often, inheritances spark disputes over issues many families rarely consider in advance—such as caregiving, prior financial assistance and other family dynamics. In my experience as a financial adviser, I’ve seen these issues create strife and divisions that can last a lifetime. So here are some steps for a thoughtful (and hopefully, litigation-free) execution of an inheritance plan. Pay caregivers in real time A child who spends years providing hands-on care to a parent (or both parents) often sacrifices income and career advancement in the…