The extreme poor area I lived in was also full of drug addicts who spent all night going through trash bins and cleaning out anything of value to support their habit, so if your plan is to mine for recycled bottles and cans to return then you're in for a surprise when you find out that hustle has already been cornered by violent drug addicts and alcoholics who won't let you near their garbage 'turf'.
They also rob each other when they walk out of the recycling depot with cash in their pocket. Since you live in an alley you don't have security