Buying Rural Land on the Internet
You can get just about anything online these days and that includes real estate. There is a site I frequent called BillyLand that offers rural listings with a contract for deed. You either place a bid or pay the seller's asking price outright and that serves as a down payment on the land. The remaining installments are made in monthly payments to BillyLand.
I have never purchased anything from them, but they have excellent reviews and a great rating with the BBB. There are currently no listings for Montana, but I have seen them before, so I'm keeping an eye out.
Real Estate is typically a great investment, but be warned, some of these properties are way off grid and might not be as good of a deal as you think. If everything checks out, it might be a great way to get your 100 acre post retirement hideaway lined up.