Should I address it now and tell the dog owners that this might be an issue or should I wait until it is?

This can help avoid future misunderstandings and clearly establish tenant responsibilities for plumbing issues arising from their actions.

I have familiarized myself with three national companies and each one seems to have its share of negative issues from both hosts and guests.

Quote from @Zachary McDonough: Quote from @Scott Gaspar: A non military person can fully assume a VA loan, it can create an issue though for the seller getting another VA loan depending on loan amount  Exactly, that's what my seller is up against.

The code enforcement officer said he mentioned these issues to the sellers and the sellers' agent.

So legally, you can say 'no' to many of the issues that are brought up during an inspection.

Does anyone see any issues with doing it this way?

Overall, he did a good job, but there are issues that will show up on an inspection that aren't necessarily liabilities.  

The issue you are going to run into if your lender hasn't told you already having the 3.5% is only part of the equation.  

Technical professional working full-time ready to return to real estate investing.