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. 

@Geoffrey Schnake It's always 5 o clock somewhere is getting a lot earlier in the day for me as well.It is nice to hear everyone's positive perspectives which is breath of fresh air.

I did not produce good high school stats (12 innings pitched as a senior), and I had nothing to really hang my hat on from a recruiting perspective.

From my perspective the small multifamilies are over priced in the Puget Sound area.

Now that Subject To has been popularized by incomplete training from "Mentors", a new book, freshly published for instance, I predict we shall start seeing lawsuits based on bad application of incomplete information by enthusiastic students who will say " but so and so , said . . .".Sorry, the judge won't buy that.

For perspective, Russia’s souring economy is only expected to see its GDP fall 3% this year.And don’t expect relief in 2023.

Speaking from an architects perspective you can get an architect to review your plans but that is not the primary thing they do.