I would not do anything without first talking to my lawyer. Since you are buying the house with inheritance which is non-marital property, there should be no problems. But to be on the safe side consult with your attorney or hire an attorney.
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Definitely discuss this with your attorney before doing anything, not just the house issue, but also the issue about the process taking much longer than expected. He or she likely will counsel you about the pros and cons and also they can elicit the other side's position. There may be land mines that you are not contemplating.
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