Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

The first applicant will eventually get tired of his free-loading friends and problems will ensue.

I'm hosting a local meetup in Mankato, feel free to shoot me a message if anyone is interested in joining!

Feel free to reach out at any time with any questions.

When you live in that duplex for 2 years and then sell you'll be able to take 50% of the profit tax free (the allocation for the side you lived in). 

@Martti Eckert I live in Los Angeles and have done a handful of BRRRRs in Missouri so feel free to reach out with any lending related questions to pulling off BRRRRs in Ohio. 

Marty, feel free to reach out to me at any time.

Start with BiggerPockets Ultimate Beginners Guide (free).

YouTube is also a fantastic resource—it's free and you can learn at your own pace, which is a huge benefit.

. - Once an owner knows what materials are being used, they can then check pricing at Home Depot, Lowe's, etc. - Some materials for bigger jobs, like concrete, are harder to check pricing on.