The property financials the seller provided show big cashflow but I noticed he has no debt on it.I would have to mortgage the property which could end up reducing cashflow down to around $100/door.

I understand you've invested a lot of time and energy into this deal.

My brothers and I don't have an agent because we wanted to reduce any expenses (i.e. agent commission) we could since we are just starting out.

Just a method of reducing vacancy from the start and driving traffic just slightly with a simply modification.

Ask your employer's payroll department how many allowances you can claim to reduce your refund to an acceptable level. 

If I hate going to City X I'm not investing there and forcing myself to spend time and energy there in upcoming years.  

Me personally i would not fix anything in the house now. it will be a burden for your grandparents that are still living there. plan ahead and have the money and the contacts ready to move in on the house as soon as you can (i also hope its no time soon) but being ready should reduce the downtime for the house. and when the rent starts to come in you can use that to pay of the rest of your loans. let your money make the money you need to pay the loans... 

The deal I just did I took a reduced fee because she helped guide and walk through so many of the things. 

At the end of the day, all these things only help reduce the noise.

All being good answers will reduce your traveling there.