You can have pictures, graphs, an explanation of why it is a good deal, and any other kind of information you can use to convince them that you have a good investment.

Just in case you need an explanation of what it is, here we go: https://www.biggerpockets.com/renewsblog/2015/04/0...

There are numerous arguments available to foreclosure purchasers, and some of the important factors are:1) the language in the declaration regarding foreclosure and the association's lien rights2) the date the Declaration was recorded, as well as any amendments3) whether the Declaration contains "Kaufman" language.  

My goal isn't for him to pay for my rehab, but a gc/project manager shouldn't have free reign to spend the client's money over and above the contract price without forewarning and an explanation.  

Additionally, there are numerous ways to source properties. 

The Millionaire Mind, Rich Dad Poor Dad, Commercial Real Estate Investment for Dummies as well as numerous ebooks and podcast.

Keep asking your local assessor for explanations to terms, phases, and abbreviations and they will clue in to the fact that they need a glossary on their website.

Basically they want specific address, I get back to them with an explanation that I'm doing some kind of research but it did not work.Anybody got any idea how to deal with them?

Get numerous quotes.  

I've listened to every single podcast, (used to be a lot more) active on the forums, attended a couple of webinars, read several books (reading Millionaire Real Estate Investor by Gary Keller right now), and have used the Rental Property Analysis Tool numerous times to evaluate deals.