They could positive cashflow and i believe there should be good rental demand from student population but i am not sure about the scope of appreciation in the area.

Aim for a 620+ credit score, save for a down payment, and research markets with strong rental demand.

They almost always refuse to accept any offer form other than the Association of Realtor forms.I once had to scramble to find an agent to represent me on a time sensitive deal, but the agent demanded to view the property herself first before writing my offer.

Ultimately, what drives real estate values is supply and demand and the income you can derive from those properties.

There is increasing supply as a result of increasing demand but the real question you're asking is whether it's going to lead to oversupply and lower rents or not.

I don't know the rental demand, or the demand for families buying single family homes in that area.

Demand is what drives up price/value.

You aren't touching anything on the Roaring Fork for almost any price, no matter the square footage.Location is king, because location equals desirability, and desirability translates into more rental demand, and in some cases, substantially more.  

Virtually all banks and lenders are going to have a due on sale clause, meaning they can demand full payment if the seller tries to sell the property or assign the mortgage without their consent.

The job market is strong due to major companies moving and developing here like Intel, Amazon, Google, etc. and there's a steady population growth and strong rental demand.