What you SHOULD have done was take them in to a local IRS office to get a stamped receipt.

Try not to lose your shirt, it can get cold. 

Look for **** properties, write down the address and call your local city circuit court and have them bring up the owner's name and address WHERE THEY LIVE NOT THE VACANT PROPERTY and then spend a few bucks for a card and stamps and send them a letter and see what happens.

Focus on BRRRR predominantly..that way if the prices go down, I will be losing my equity-profit only, not my shirt.2.

For additions and certain other types of renovation you might need a stamp from an licensed architect or PE.  

THIS is Why You Hear About People Losing Their Shirts in Real Estate (& How to Be Different)

I risk insulting him with a low offer, but if he doesn't take it, I'll have only wasted a half-hour to write the LOI and a stamp to mail it.

So far we have vehicle signs, people with logo tee-shirts, and yard signs in front of houses in addition to mailings.  

I have about two legal pads of yellow letters written and 200 stamped envelopes.

I came form a food stamps family in Alaska.