So, the difference in price & closing costs would establish firmly the amount.

We are closing on a HELOC on our primary home this week.

But, you can't determine quality by simply what they charge.....as there are plenty of terrible agents who also charge a lot.You'll need to determine what value they bring to you personally and do a cost benefit analysis of whether the cost is worth it to you or not.

You can make closing contingent upon finding a tenant that you approve.The fact that they are being transparent about this is actually a really good thing.

I could've lent the money out or invested in notes, but I'm more interested right now in asset accumulation.I ended up simply rolling my SDIRA into my current 401k and taking a loan against that, thereby being able to utilize almost 100% of those funds (not quite at $100k in the 401k, but close) and purchase a duplex with a conventional 30 year loan.If I had $150k or more in my SDIRA I would have looked at other options, but with only $50k I found the path I chose to make the most sense.

How much does it cost for eviction and collection? 

We have had a Strctural Engineer out to the property and while we don't need to conduct repairs within the next 5 years or so, we will need to address both of these things at some point and it will likely cost us about 100k.Any advice on selling or holding for the long term?

The rules regarding the 45 days for identification of future property and closing within 180 days still apply so as long as you close all the properties within that time you should be fine and pay no taxes for the 1031 exchange. 

This change is significant for the financial feasibility of ADU construction in Chicago since water service costs can be more easily justified when collecting rents from two additional unit.Also proposes to allow larger units and to allow ADU construction in any zoning designation.

Before, during and after closing your mortgage professional should be responsive.