From the requests I've been BCC'd on, it's not like you need a preapproval letter to see a disclosure package. 

@Eric DeVito send me a colleague request and I'll reach out tomorrow with some info I have.

Just send me a colleague request or give me a call.

In some places you can view the CO online.So, if you received a copy before closing and didn't check that is was a 2 unit versus a 3, or that permits were requested but not closed properly, then that's a due diligence problem.

Once you get comfortable with the process and you find a deal worth pursuing, reach out to the listing broker and request the trailing twelve month financials ("T12") and current rent roll to get a better sense of the financial prospects of the property.I also recommend a few books on this topic that should help you get comfortable with analyzing deals: The ABC's of Real Estate Investing by Ken McElroy (Chapter 7)The Ultimate Guide to Buying Apartment Buildings with Private Money by Michael Blank13 Steps to Valuing Your First Multiplex by Ben Leybovich

Anyways, we did not find this out until the contractor had gone back to do some work that the buyers had requested as a part of the offer to purchase, and by then the damage had already been done.

References from broker are available upon your request.

I did have to pay $500 for a BPO, and I had to pay $250 per draw which was included in each draw request.  

Mail it to his "address"(e.g, your property/ his rental) and include "return address requested" on the letter and if it comes back to you , then you he not leave a forwarding address and if it does not come back to you you have done your duty to notify him.

Not sure whether to "Follow", or send a "Colleague" request.