Help with Expense tracking and categorization: You can sync your bank accounts and credit cards to automatically categorize expenses related to your properties.

:Always do anything within the walls of escrow, i.e. pay people, pay title, pay escrow, pay invoices from termite, give a credit to a buyer or seller along with anything else. 

Well....should you invest in a city where the people elected a woman with foreclosures, liens, judgements, garnishments, ethical violations from the state ethics board,  misused a city credit card, went three years arrears on her federal taxes all while yelling for other people to pay "  their fair share, " left skeletonized dead bodies hanging over Canal St for months on end covered only by a tarp until the wind blew it off to reveal to our horror her blatant disrespect for human dignity?

With 700+ credit you should be able to get mid to high 6s if you pay a couple points and do a 5 year pre payment penalty.

BTW look how incorrect you were, see this is what happens when people sit on the internet and THINK they are " learning" 44109 (median home price went from roughly 50k to 125k in 8 years)https://www.zillow.com/home-values/77009/cleveland-oh-44109/44102 (median home price went from roughly 30k to 120k in 8 years)https://www.zillow.com/home-values/77002/cleveland-oh-44102/44106 (median home price went from roughly 100k to 200k in 8 years)https://www.zillow.com/home-values/77006/cleveland-oh-44106/All the best

That is a "vacancy and credit" imputed expense even if you don't have any.

Also, Credit Card suggestions for best business card for benefits / perks right now?  

I have the credit score and make a good monthly living but I have no cash save up but have 2 cash flowing rental properties with one of them having some equity.

Start with house hacking, invest in credit and education, and leverage electrical skills.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?