Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

It's actually so common that there is entire Real Estate Investment strategies built around it.

I spent a decade in advertising, before founding and running a custom wood shop for another decade, so 'm pretty good at the self-promotion.I agree with you that the more gorilla approach would be most effective and that's actually what i've been doing – calling RE agents in my service area with active listings, introducing myself to property managers and leasing agents...To answer your question, I will have to handle the work myself for 6-12 months to build out the SOPs and field service management systems, but I have a lot of relationships for those looking to "do the work".I'll check out the meet up and would love to grab a cup of coffee, I'll shoot you an email.

I do pretty much like more SD than SA, but as you asked, the money that I have to invest it aint that much, goes between 30-40K to start and will be definitely for long term, as I said, I´m a beginner in this business in the US, as commons says I´m at the baby steps stage right now.

I'm being charged half of that annual amount for what appear to be common turnover repairs such as filling nail holes and tightening door knobs.

Very commonly the resident pays a portion of the rent so your rent increase will affect their budget and their lives. 

Is this advertising?

Another case where common sense isn't so common.My $0.02 ...

Not common at all these days. 

The common feedback I hear typically revolves around your accounting preference.