How much will you spend in repairs on a 1920's house with renters ? 

Write it up to an education, spend some time sharpening your support team (particularly in the trades) and start thinking about how you can do it again!

Buy where you intend to live, where you know the areas best.

The credit unions in my area only work with bigger companies so just know I have already reached out. 

If the bill is $100 a month split between four units, increase it to $120 and charge each tenant $30.How to calculate charges.

I'm sure how far Lake Monroe if from the University but I would also look into the amount of STRs in that as well.  

I am ready to start investing in real estate but know no one personally already doing it.Thanks a bunchExcited to start learning and connecting with Bigger Pockets community! 

How well will it cashflow?

I have a question regarding a property that the state took over and is selling. Does any have any experience with that. The family still live in the property and is not responding. What are the pro and con in investin...

I'm surprised someone verbally told you you can convert back to a duplex and didn't tell you that you must get permits.from what you are describing it seems the town gave you a hard time because you didn't get permits, I don't know that you have any legal standing to go after the town,  again, I am not an attorney