If the material is not current, like this year by a CPA or a law firm (not a guru lawyer) a government agency or a university/school, ignore it!

Don't ignore the elephant in the room.

You also lost one month of rent and (I'm assuming you're leasing the space yourself, and not paying a broker 1-mo rent), your cost is $2,550, and you gained $50/mo.Yes - your "Break Even" is a 3.5ish years, but this ignores the value increase.Assuming a 10% cap, and you're already covering expenses, that $50/mo = $600/year = pure NOI.  

This advice you were given is actually terrible and represents a fundamental ignorance of how most turnkey companies (at least in my experience) operate.  

It helps to be familiar with vendors too, my rule, ignore small unknown sources for maintenance receipts/charges as many play games, larger reputable companies will have more standardized pricing.If you can determine vacancies from lease files, good, but still be careful for leases that can't be verified by lease receipts/deposits.

He must be doing some business since I have seen the same name for a few years.It was funny on my last listing, my client instructed me to ignore him, which I did.

If we ignore the complaints, the situation can easily escalate.

Lastly, when you're wholesaling it's best to ignore the MLS.

Please allow me to show my ignorance, and my desire to learn.

My preference is to determine whether the principal is aware of any such issues or just ignorant to the facts and make a decision about investing more time into a messy file.