When picking tenants for them look for working people, singles who are not into drugs & heavy alcohol.  

West of Aramingo puts you too close to the El/Kensington Ave - the hub of drugs/crime.

In the 80's and 90's crime, drug, and gang activity were most considerately in the 1000's 2000's blocks, then it shifted to the the 3500's, and more recently it's in the low 3000's.

I want to see the lots and make sure everything is good with them, because there are people dumping garbage on some lots, others are sneaking in and chopping down trees and selling the wood, others are cooking drugs, etc. 

Kids will tell you all kinds of stuff...If your tenants don't see those kids again after a talk and/or suspect that they are being neglected or living in a drug house.. they should call CPS and make a report.

However, I have offered two thingsA) Higher deposit - this way the owner's fears are alleviated somewhatB) Property management - offer the owner that you will essentially property manage the property for them.

they do typically rent for less, but depending on your purchase and the quality of park and home you can get pretty close, but I would steer your focus to just owning the land and not so much the home, this alleviates some issues and gives owner sense of pride, but have strict and posted expectations on the quality to be maintained 

People doing drugs on premises, disagreements between tenants, calls from police in the middle of the night, medical emergencies, etc.

Well, it turns out he had a huge rap sheet including harboring a fugitive, battery with a weapon, drugs, ect ect.

This is very simple.You file eviction.Go to court.When you stand in front of the judge present the facts.Be emotionless when you speak and have timeline in a clear,concise,and quick manner.The judge listens to all kind of long BS all day long and when they get someone who keeps quiet and gives and quick and concise response you will stand in good favor with them.I usually let the tenant dig a big hole for themselves and it works every time.The less you can say is better.The judge has heard every excuse before and will quickly dispose of the tenant.Usually after the judgement is entered you can pay for a writ where the marshall will come and throw the tenants stuff out.Depending on how many writs they need to serve that month it could take 3 to 4 weeks to get them out.The tenants do not know the writ office is back up so most leave right away.Here if 500 or less of property is left and it appears they have abandoned the property you can re-key and throw the stuff out.Here if they do not file an answer in Georgia for the court you can get the writ but not a judgement.I would have to pursue them in small claims court then.So as you can see it is vary important to learn processes for your state.I condition tenants before they sign a lease.No drugs,smoking inside,sex offenders,felons,aggressive dogs,etc. will be tolerated.We do inspections once a month and if ANY lease provision is violated we evict immediately.Everyone of my tenants pays on time now and the others have left.It's kind of like having a slack employee trying to get away with stuff all the time versus a great employee that works hard.