There is a basic  mortgage calculation for how much your monthly mortgage payments will be on every $100,000 loan amount based on 300 monthly installments.
Interest Rate       Monthly Payment
2.5%                        $449
2.75%                      $461
3.0%                        $474
3.25%                      $487
3.50%                      $501
3.75%                      $514
4.0%      ...

In the last few years the numbers are staggering how many neighborhoods are being plaged with one house on the block bringing the average home price down dramatically due to the fact it was a "Grow Op" or a" Meth Lab" http://www.cbc.ca/news/canada/sudbury/story/2011/11/07/sby-grow-ops-northweast.html

We have mortgage lenders that will do full mortgage financing on ex Grow Ops and Meth. labs ...

I recently had an article published check it out!