Unless you live very far from the property, you must manage this small property yourself if you wish to have a financially successful investment. 

Technology merely makes it so a real estate agent can be more efficient and more successful.   

If yes can you elaborate on your experience: success stories or horror stories.

Any success stories out there for Oahu?  

I did have success contacting Bank of America, who directed me to Mr.

Hey BP,I'm hoping to get some advice from investors who have successfully done a long distance BRRRR.I'm hunting for my first investment property and my goal is to do an out-of-state BRRRR for a single-family home.I read @David Greene's fantastic book, and have been following his methodology step-by-step.I'm currently in the team-building phase to have my boots on the ground. 

What are some success stories about turning over properties from self management to property managers?

The first team members under contract on his first investment property is Scott (you can read about his success here: https://www.biggerpockets.com/forums/21/topics/479285-purposeful-action-leads-to-massive-results-agent-success-story) He is under contract to purchase a duplex, which will allow him to live for free.

While there is no one rule for success in this business, there are definitely multiple rules of failure.

We've only done live-in flips, but our success came down to:Knowing what we could do on our own and avoid outside labor costVetting/knowing reliable contractorsHaving a pretty clear vision for your exit strategy (ours was to update the property and rent it)Good luck and have fun!