In speaking to the trustee, they told me it was transferred to a national REO firm that same year.

You will also need to ensure that the departing tenant's portion of any security deposit (or last month's rent) is transferred to the remaining tenants (this should be included in your Change of Lease or under a separate agreement).  

#3: If she wanted to transfer her share to me what is the process and do the other siblings have to agree?

I was thinking I could offer to do a lease/option type arrangement so that we don't actually transfer title for a year or two. 

#3: If she wanted to transfer her share to me what is the process and do the other siblings have to agree?

His goal is that we would eventually own it outright and could to either sell it or rent it out as a vacation rental without having to wait for transfer on death were they to live another 30-40 years.

She put me on hold, transferred me to someone else, and they provided me the lockbox code.Their customer service is spotty and not always helpful.

Maybe you should try to transfer your amount to a different card getting 0% interest for a bit.

When a property is sold at the Judicial sale is the the transfer tax based on the current assessment or the winning bid amount?

A contract transfers with a sale, however in the case of SEC 8 you have an opportunity to change the lease terms for the remaining portion of the lease, where you don't with a non-SEC 8 tenant.