No documentation required, but there are some stiff penalties for filing a "fraudulent lien".  

Pretty stiff competition here in the UC (it's pretty much always been that way) because this is an awesome place to live / work / play -  so I don't see this market crashing as hard as the rest of the world, but it will crash, someday, mark my words.

 @John Chapman market rent keeps rising in my area so new tenants coming in the unit gets a stiff raise.

Growth is insane there but competition is getting stiff.  

While opportunities do exist, the competition in the market is stiff and more times than not you will be up against multiple bidders driving the price up for all but the most seasoned investors to a point of risky returns.Knowing your market, understanding finish levels of comparable properties and past performance are critical factors in determining what your target properties will be.

Plus, you don't want to stiff someone out of their hard-earned money. 

He made her believe that she was "stiff and rigid like a board" (the words he used to take and keep her under) as she lay down, face-up on 2 chairs facing each other about 5-7 feet apart.

I can never figure out why people (not you, but some people) will recommend to newbies on here to buy a property for a mere $100-$200/month cash flow, yet when someone stiffs them for double or triple that amount of money they just tell them to forget about it. 

I had one who was attempting to stiff their landlord by not paying and walking out on the lease they just signed to move into one of my properties.  

These are real lenders as they (we, but I lend in Texas only) pay a fairly stiff fee to be included in the matrix.