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.

Especially after today's disappointing, but not unexpected inflation news.

This is the power behind relational lending and working with local private lenders, not national HML companies.

"No" is a powerful word.

I found out from googling what a HELOC was so I took one out to get more funds to up my purchase power and jumped into a 3 family.

My dad was pretty much doing the real estate thing on his own, supporting my mom with his W2 and rental income, but unfortunately passed away unexpectedly and we did not get a chance to learn the real estate game from him.

Just remember when the power goes out, what do you need working the most? 

I too believe there will be some impact somewhere in the economy, if that impact is truly a free market reaction/natural occurrence driven by free competition, or if the change is already determined and the powers at be are simply creating the distraction they need... is yet to be seen. 

Driveway, walkway, maybe power wash the exterior? 

In your case you'd probably want to show a rationale that you were willing to hold on to this property but something happened and a property you'd been waiting on for a long time came available unexpectedly.