How can I improve my situation?

As we are looking at ways to improve our efficiencies and decrease vacancies, the topic of self scheduled showings is on the table.

My recommendation is to continue to improve your credit score so that you have enough buffer in place to continue getting the best interest rates. 

I now know to never spend a dollar on ads that I can't track and improve the results of...

They're probably offering to sign a 5 year lease, because they want to lock in their rent before the improvement is made.As said above, there's really nothing preventing tenants from just breaking leases, beyond their own sense of morality.

Suburban B class is also rising with the steadily improving jobs picture. i invest heavily in North Riverdale and Southern Shiloh (45405) and count a computer scientist, robotics technician, and resteraunt manager as tenants.

What class/grade of rental property makes a big difference in improvements (as far as what or to what extent)On a flip, usually the improvements are more significant than a rental as a flip is likely going to go to someone as their home.

You actually need to drop it to 65%-70% of ARV minus rehab costs in order to improve your chances of assigning this contract. 

If you are in the $500's and all the offers before were in the $400's, then they will psychologically see it as a much improved offer.

However, it's def. improved and I'm all about numbers working.