So for me, I leverage using about 70-75% debt.

However, I'm seeing SO MANY properties that are zoned as Single Family, yet they have 2 units - either a MIL suite or just an addition that's been built. 

This rarely ever happens but provides additional barriers.

As you can see in the photos, I placed stepping lumber so I dont fall, in addition to tethering myself to an anchor in the roof.

I have a house with about 70-90k of equity that I’m looking to refinance out of the property. I’m currently living here with a roommate and have a 3.3% interest rate loan on 300k and still owe about 280k. My monthly p...

To your other points..PMs typically either do the evictions and appear in court or hire an attorney to do the evictions and you incur additional fees.When you go in to change the filters please take more time as the most important thing you're looking for are leaks in your plumbing system.

Getting an additional 3% back on every deal made too much sense to me, so I got my Real Estate License.

And keep in mind this is in addition to your normal tax liability.

Additionally, the 1031 exchange is worth mentioning though I'm sure you have already thought of that. 

The problem in this case is the seller's primary reason for selling is he wants cash to pay off credit card debt.