In real terms {adjusted for inflation), the purchasing power of the Canadian family has been essentially flat or declining since the 1980s.  

I have sprayers from cheap electric to a 5 hp gas powered for outside work .

@Ashish Acharya has a pretty powerful spreadsheet he may be willing to share.

You have the ultimate power over your partners and franchisor.

If I had the power to disband every Hoa that my houses are in I’d get rid of 90%.

I can start to feel the power of the bp community and want to reach out to all of you for your CONSTRUCTIVE feedback or ideas.

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.

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

"No" is a powerful word.

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