Plus the easiest to understand from a landlord perspective. 

From that perspective it is a waste of time to even meet them.

MIke, Thank you for your perspective!

  $250/person is cheap in their perspective.

I really appreciate as much perspective as I can get.

Awesome perspective and I appreciate the input sir!! 

It’s nice to have different perspectives. 

Too much copper is toxic to plants because it prevents photosynthesis.https://homeguides.sfgate.com/copper-control-algae-97682.htmlThat said you should get the roof inspected.You may get lucky, the roof may be in great shape other than the algae on it ( note there are shingle solvents designed to wash off roofs: don’t bleach ( bleach is ineffective against mold) or power wash.)Once cleaned, install the copper as a preventative measure.Other wise I agree with many of the comments, you might have to bite the bullet on the roof, a roof is a big deal to perspective buyers.

Old Fido can crap on it year round and after you kick the tenant out you can just sprinkle some carpet fresh on it , vacuum it up , and post a for rent sign in the yard .

Personally I have seen lenders who have completely dropped the ball on a 203K and it sours the general populations perspective of this program.