Although it's fair to suggest that an unaffordable market is very unlikely to cash flow.Their Home Values tool is nice for historical research on a market.Once you're getting down into a zip code, Rentometer is very useful for checking rent expectations.Beyond that, you're really best served by custom analysis that is tailored to the market.

I'm concerned the custom changes we will make to tailor it to these buyers specific needs will damage the overall potential value of the property to 90% of buyers if there is an issue as we move forward with these buyers.

I started by getting licensed/educated, and hired on at a multifamily investment brokerage that specializes in tailoring wealth building strategies.

From working with the listing agent I also got some information about the sellers that helped me put together an offer tailored to their needs. 

If you can figure out what they want/need/motivates them you might be able to tailor offers to make them more appealing.  

Just to clarify a bit more, when you market your property for lease to students depends heavily on other competing products out there in the market tailored to those same students.

Now if you tailor your place to someone who can become a long term tenant, you can end up with lower vacancy as a lower income tenant won't have the same flexibility in moving, but in general turnover will be higher.

They look at your tax bracket, wills making suggestions tailored toward your tax.

They like things streamlined.An S election conversation with a client is like a tailored suit, not one size fits most. 

Be sure you tailor any list you get or create to the state and city in which the property is in.