@Ashley UndercufflerI highly recommend Andrew Hoek with Dewitt Law.

Please issue a check to [Landlord] for the remaining $Y.Sincerely,Jenny Lian

There are facebook groups where other Ownwerrez users help each other with issues. 

The issue now is that I'm not sure if I bid on a second mortgage or if there are multiple mortgages on the property.

what if the laws changed and that impaired your ability to get income you needed to pay your mortgage?

The house has two kitchens (one is a mother-in-law suite), 3 bathrooms and is approximately 1600 sq ft.

I will need to read up on Montana law for this, but my assumption is I don't need to give 30-days notice if the tenant breeched the contract making it void due to their breaking the agreement by interfering with the quiet enjoyment of neighboring tenants/ property owners. 

Once recorded, the owner/seller of the property will not be able to close on the property without addressing this issue, thereby blocking them from cutting you out and selling to another party.Other than that, keep in mind it is VERY difficult to win in court for specific performance to force the seller to sell.Good luck, and keep moving forward!

Organize a group of experts to assist you with the process, give top priority to homes with excellent rental potential, and make sure all local laws are followed.

The state law will prevail and not allow the over-reaching legislations some towns/counties are trying to pass.