If you approached them in a way that you had a solution to the eyesore in their neighborhood they would be very receptive to talk and perhaps share contact details about the home owners son if they have them.

I recommend searching "arbitrage" here and reading any/all of the hundreds of general threads about negative elements of arbitrage.

Zach, If you search Pace Morby on YouTube.

Every Market (Detroit) has a series of Micro-markets (neighborhoods) of which they are all different in cost, value, cash flow, rents, etc... 

We have many of these in the nice neighborhoods of Chicago and you get easy tenants, rent increases and appreciation.

What neighborhood of Chicago and how large are the buildings?

Easy google search if you want to look it up.I do expect them to take profit on this, otherwise how would they survive, but if you think you'll really get far doing this way that's a different question.

.🎯 Your 6-Month Timeline:Month 1: Foundation (5-7 hours/week)Morning routine: 1 hour daily market researchEvening routine: Deal analysis practiceWeekend: BP forums & networkingKey Goal: Analyze 10 deals on paperMonth 2: Education (8-10 hours/week)Complete 1 RE courseJoin 2 local REI groupsSchedule lunch breaks with agentsKey Goal: Build your initial power team listMonth 3: Systems (10-12 hours/week)Set up deal tracking systemCreate document templatesEstablish banking relationshipsKey Goal: Ready to make offersMonth 4: Lead Generation (12-15 hours/week)Drive neighborhoods after workWeekend open housesSetup automated MLS alertsKey Goal: Generate first 5 qualified leadsNow, the Owners and Brokers you deal with may not enjoy this, but you can certainly "practice" making offers.  

Is there something like off-market commercial deals where I can search them (like Investorlift or New Western for residential) ? 

I searched for properties that stay on the market for a long time.