Acknowledge and validate them and their knowledge and experience so they will be more willing to slow down and explain things where you need it.

You probably signed something when you made the offer acknowledging that the house came in "as is" condition.

The tenant has already told me they're going to be uncooperative by refusing to acknowledge what the terms of their existing lease.

Just make sure you acknowledge the debt and treat it carefully.One more opinion for what it's worth: Consumer debt has no place for an investor.

I simply withdrew my offer on the property and the LA acknowledged.

And then you have the time and expense of installing carpet, paint, drywall, changing locks, etc...You also have not acknowledged that there are snow removal and lawn care costs, utilities while vacant, pest control, etc...  

We both sign both papers acknowledging the health of property.  

The only renewals I do are on SFRs. the addendum basically says all terms are the same except that rent is increasing and it has some acknowledgement of the security deposit.

This note is guaranteed by XXXXXXXX Group.The Borrower must promptly inform the Lender of any change in name or address.If the Lender prevails in a lawsuit to collect on this note, Borrower will pay Lender’s court costs,collection agency costs, and attorney’s fees in an amount the court finds to be reasonable.This note was executed on this 11 day of OCT 2017 and I acknowledge receipt of a completedcopy of this instrument.

So I acknowledged I need some start up capital before I can quit my full time job as an agent.