Price gains are leaving buyers on the sidelines as they are blocked by affordability and limited supply as new listings for the month down 6.67% from last June, chocking supply and forcing prices up as more buyers are competing over limited stock.

When’s the stock market going to “correct”?

We were looking to get out of debt quickly using Dave Ramsey's Financial Peace University principles.

HUGE deposits probably own stock in the bank etc. 

With what's been going on lately in the stock market, sellers may not be trying to "play games" with that strategy you saw last year.

So definitely increase the rent to offset your costs.Don't put much stock in the large number of inquires.

If the opportunities you can generate in real estate will be better for the IRA than the stock market, then you are doing better for your IRA by investing in real estate.

Their stock has been in a free fall.

That's also how the stock market is perceived - past performance does not guarantee future returns.I think I will approach this by using very crude estimates from the housing price index.  

In agreement with @Chris Szepessy and @JD Martin, I also want to mention that you want to continuously practice good landlord principles.