Quote from @Gary Abrams: Software is a common question on BiggerPockets.

Common problem, no easy answer:(We try to allow our owner clients to arrange their own maintenance, but have learned the hard way there MUST be limitations:1) They can't hire our people!

Self-showing services are extremely common but that should be in the contract. 

Beyond legal requirements, I’d love to hear about any practical advice for managing properties, finding good tenants, and avoiding common pitfalls.

Now purchasing a home with cash is always good b/c obviously cash is king but also I think the part you might've missed is that, the money your utilizing on these home's won't actually be yours, but the banks or whatever institution you used to fix the home or make its value worth more.

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.

You will have to gather more accurate operating costs (vacancy loss, taxes, utilities, insurance, mgmt fees, maintenance, HOA) to best determine potential future performance.

That's a common phrase.Real estate investors can get more bang for their buck from their PMs when these folks "think like an investor."

Most commonly, laundromats are sold at a 3-5x multiple of SDE.

I then provide a YoutubeTV account for them to use and have preinstalled all the other common apps for them to bring their own logins.