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24/7 coverage 365 days a year at 20$/h = 175,200$/year.

>Junkies will find ways through the fencing at night

Your math implies polar winter. Solar would be a bad investment.

You can’t assume behavior is unchanged when you change the situation.

In remote areas if you only guard at night they will go in the day.

They’ll get electrocuted during the day.

You’re underestimating what motivated thieves can accomplish.

Crackhead and electrician are not mutually exclusive categories.

You've changed the situation. It's a night problem that needs a night solution.