Sometimes you find furring wood strips if you are lucky, other times you have to use plastic anchors, sometimes you cheat and drill into metal corner beads, sometimes you mount the brackets from the top, sometimes on the side, wherever you find a way to bite into something. 

I took pictures of damage on all sides, cut and removed the tree limb, covered the hole with a little roofing felt and a couple of spare shingles (I drew with paint "Do not step" on the shingles), and tacked a piece of plastic over the hole in the drywall.

Many times in older buildings especially those that have been partially remodeled we are dealing with a combination of EMT/metal boxes and NM-B/plastic boxes, and lack of EGC continuity and ground is a typical issue. 

But here's the point - real estate is not brain surgery, and it should not cost as much as a college education.

I buy those poison dispensers where the bait is in a plastic housing that the mice can get in but kids can't access the poison. 

Have you heard that they eliminated cash in Sweden and you are required to use your plastic credit/debit cards for everything in an effort to keep track of where you have money so they can get all the taxes possible?

The screws probably go through the plastic inner panel into either sheet metal or another piece of plastic, and the screw has stripped out. 

They will try and scrape ice with the plastic snow shovel otherwise and the thing won't last a week.For multi's, I have a contract with a snow remover for the drives and parking lots.  

It takes us about a hour to empty our dressers and kids closets into plastic totes.

All three are considered consumer friendly for these cartridge replacements so no rocket science to them.Glacier bay is a home depot house brand,  cheap entry level products I'd recommend staying away from, I'd avoid almost any fixtures from the big boxes is you have the ability to order from supply houses, the same Moen  fixtures from home depot often have plastic parts where the  Moen's from the supply house will have all metal.