There is a particular kind of tax case I see every spring — a client walks into my office in March or April with a 1099-B, a closing statement, or a brokerage report from the year before, and a question that goes something like: “Is this going to be bad?” They sold a business in May, closed on a rental property in August, exited a crypto position in October, and assumed they’d figure out the tax side later. Later is now, and the tax bill is dramatically larger than they expected.
Here is the truth about selling appreciated assets in the United States: the tax code is full of opportunities to substantially reduce, defer, or restructure the tax cost — but almost all of them have to be set up before the sale closes. After the closing, the options collapse to filing the return correctly and paying what is owed. The difference between proactive planning and reactive filing on a sale of any meaningful size is routinely tens of thousands to hundreds of thousands of dollars.
This article walks through the most common tax surprises people encounter when they sell a business, real estate, or cryptocurrency. You will learn what gets taxed, at what rate, what planning tools exist, what closes the door, and what to do before — and after — a sale of any size. By the end, you should have a much clearer sense of which moves matter, which timing constraints matter, and where professional planning earns its keep.
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