To keep organized I would recommend a software called Evernote or a similar system. 

I'd love to get an audit of the actual charges for the last 3+ years and see if there was any excessive overcharges or such.

We and most QIs don't prefer this because its always best to match the deeds as closely as possible since the first person looking at you return in an audit is a field agent of very limited experience.   

However do not really have experience using another software. 

Not sure about your area though but here in South, FL it doesn't show up immediately so it's best if you have your R/E license and use an iMapp type software and it'll be more up to date with the accuracy of the sale.

I'd like to transition into multi unit investing some day because in my head I see it as more manageable but with a PM in place maybe it doesn't matter.For my day job, I'm a software developer (Android historically).

OuickBooks is accounting software. 

Hi , I am looking for a great , convenient way to manage and keep track on the rental properties, what is the best method of good accounting, software?

Hello BP, My name is Greg and I'm a 30 year old electrical/software engineer from Erie, Pennsylvania just starting out on the real estate/FI journey. 

HiI am looking for a good SKIPTRACING and /or PHONE APPEND software/program.Can you please help?