If they have enough copper, aluminum, and other resaleable metal their "melt value" may be higher than their cost--kind of like buying scrap gold LOL! 

To install them, you do drill right through the asphalt shingles, but any reputable installer also installs high quality metal flashing over every penetration to prevent leaking.

I am fairly certain that the metal poles are all set in cement under the dirt, I pulled one of out and it was braced in with cement so I am guessing that the rest are as well.

Moving forward gold was used because it had zero practical uses - a gold sword or gold plow would be horrible compared to almost any other metal out there.

Sharp metal spikes.

Feel free to jump in the community here and also take advantage of the treasure of knowledge here.

If the neighborhood is sketchy you could put those metal mesh security doors on at least the rear...females might like them at both entrances so you can open the door but be locked in.

People are making money right now jumping in and out which is part of what leads to volatility.The metal tariffs could affect costs on many goods and there are partner trade ramifications.

They will also have a self-directed IRA at custodian Y that they use to invest in something of their choosing, real estate, private placements, precious metals, notes etc...Pulling funds out is the same in either IRA.

You can enter the address and it will give you the parcel number for all of Wayne County. https://www.waynecounty.com/elected/treasurer/pay-taxes-online.aspx