If he say no then you can walk away from the re trade Idea. how many investors are involved in this this partnership/ syndication? 

We all know the latter numbers generally aren’t realistic (for turnkey rentals with zero work/involvement on my part).  

Normal business hours are usually a safe bet, so if you present the tenant with a written (I would also send an email if possible, never rely on one form of communication) date and time block that you will be entering to show the property there is little they can do to dispute your actions.Always remember that they can always take to civil court and being a landlord/property manager is one of the most litigious careers in the country, so make sure to document the process each step of the way to best protect yourself and your assets.

Does this property involve a TK provider? 

If you don't get involved there's a good chance you will start missing rent payments on time. 

I've had tenants for 3 years on a lease option of my property.  They've paid 5k up front and have made all rent payments.  We're to the point of exercising the option now, but the title company wants a letter from my ...

I realize though that this is the flip side of what I do in a sense, but  I realize liquidating properties can work out well for everyone involved including the borrower too. 

I BET IT IS!

I'll bet that puts you ahead of 75% of the other investors out there that don't put much thought at all into post-acquisition property taxes and how that effects income.  

Low risk involves things like replacing doors, drawers, or even covering leaded surfaces (ie. putting new sheetrock over existing lead painted walls).