If he is, I was planning to forgive the remaining rent in exchange for him vacating within 3 days.

No more 1031 exchanges for me.

I initially looked at doing a 1031 exchange of all my Indianapolis properties but the timing would have been difficult.

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchanging "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

The best thing you can do is contact an real estate agent / broker who can run some comps and get you an accurate ARV range so you can forecast things more precisely and have a better idea of what these types of properties are actually worth and currently being sold for.

That is a fairly complex exchange that will be difficult to execute.  

You'd have to engage a grading contractor who might be able to give you a ballpark estimate, but it would maybe have to be engineered with rough and precise grading plans to determine costs. 

That being said, I fell out of my chair when I was able to lock an individual investor (personal name) using a 1031 Exchange with about 50% down and 800 credit scores at 6.99%.

I would love to work with someone in the industry that would be willing to provide an educational experience in exchange for sweat equity.

There has been no exchange of money yet, we have a trial on July 29th.