The town will notify you of a reassessment. If you disagree, you will be given an opportunity to contest it.

Look at Rev Proc 2012-29 https://www.irs.gov/pub/irs-drop/rp-12-29.pdf. Consult with a tax attorney and accountant. This is a complex matter.

What were the terms of the rental agreement? Look to the section where it speaks of their right to auction your items and if there is a procedure...

Whose name is on the title to the property? Do you have a contract with your relative that authorizes him/her to manage the property? Have you...

Your question requires more in depth analysis. You need to consult a tax attorney.

You need to retain counsel in Quebec.

I suggest that you file an individual return or if you are not longer a citizen of the US a final return. You may be able to claim injured spouse...

I agree with the answer my colleague provided. File for a DBA.

It sounds like the contract called for a 4000 nonrefundable deposit. In which case you will have an uphill battle trying to collect this amount in...

I agree with the answer my colleague provided. Review the terms and conditions to selling.