If you want to check out a pretty cool interactive map that shows tax data for every state, and even county, check this out from SparkRentalhttps://sparkrental.com/states-with-the-lowest-property-taxe...

It will be even harder as a young person with no life experience, and particularly no experience buying real estate. 

I made a great connection with that property owner and proved the concept since he was unfamiliar and hadn't even heard of rental arbitrage.

Or even refinanced it to them?

Before you even address your original question.  

I have found that Redfin actually has pretty good search parameters to where you can look for listings that have been sitting a while that fit your buy box, and you can even do keyword searches for things like "as is", "investor", "seller financing", "guest house", etc. depending on what you are looking for.

It puts you in a position to learn the market, build connections, and spot deals before most people even know they exist.

Make sure your real estate agent isn't just about closing that one deal but understands the benefit of protecting you on each purchase to ensure that you keep buying because you are enjoying success.  2.

Because even the top agents have different areas of focuses and expertise.

At $10/hr thats $1600/mo so even if you spend $5k - get one deal its paid for itself.