If it's more than a 4-5 inch drop it's likely to split the PVC plumbing under the house requiring your foundation guys and plumber to tunnel under the structure to fix the plumbing.  

If on dirt lay and level 4 inches of limestone at the front and back to keep off ground.  

We just left Winter Park with 2 inches of new snow!!!

Two years later a dormant spring (pay attention to street names) popped up and moved one of the three houses a full 3 inch tilt! 

@Jeff Hartley in portland, the minimum ceiling height is actually 6 ft 8 inches.

There are also a ton of plugins that you could also add for enhanced features. 

I thought I would try and inspire anyone to become a pro member.Here are the benefits.Using the BP CalculatorsBetter Local Networking HUGEPosting in the Marketplace HUGESeeing Who is Looking at Your Profile cute :)Enhanced Signatures & Marketing AWESOMEAnd much more......Here is my pitch.

Here in Atlanta buyers of listsource.com absentee and Clothiers find motivated sellers now (true vacant houses) service have mailed some sellers an inch thick stack of mail.  

Sweet, I could've been a basketball player if I was 4 inches taller. 

In my mind, if it's a house that's going to survive more than a couple of winters, it has to by definition have a deep foundation (which is a psychological bias discussed by Nassim Taleb in his book The Black Swan).When I bought my house, my realtor used the half-inch rule.