They're assigned locally by the AHJ, so it can vary from place to place.

We would only plan to manage our own properties.Would there be any tax advantages, or any other benefits, to starting our own property management company?

If you had a locked door or no access to that area that would typically suffice.

Don’t go to auctions.  

It's easier to pay the buyer and let them deal with it.

I would say credit partnership meaning that someone allows me to use their qualifying credit to qualify for financing at the same time they are an equity partner on the deal who I split profits with? 

Now since im still kinda new, I'd like to know 1.

So you are doing construction in your yard, but not directly connected to the existing structure the tenant lives in and they are already complaining?

We are actively investing in the Champaign market, selling an inheritance property in Central Florida and trying to figure out what to do with our long term lease in Phoenix, AZ that is currently costing us a few $100 vs. cash flowing :) Excited to meet others, would love to know of any in person meet ups in southern/central Illinois. happy to be here!

If you're not present to let them in (or have the space occupied for whatever reason, etc.), they should be notifying you and you may have to face any repercussions (penalties, pauses on your permits, etc.)