I also manage the insurance and escrow department for my bank and while we make mistakes, we fix them and we make sure we pay for any penalties if its our fault.

One must accept the fact that there will be mistakes, there will be cost paid, but in the long run, as long as one doesn't quit, and try to improve on the process every day, one will get better. 

They cover too large an area and will lead to you either getting take advantage of or making a costly mistake:(Investing in the City of Deroit should actually be done block-by-block.

@Cliff ConnorRecommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

It's scary though, I always wonder if I did something wrong and what if we got sued due to my mistake?

You can hear real-world examples of how others have built their investment portfolio and (hopefully) learn to avoid their mistakes.4.

But curious, financially do you think this would be a mistake/bad move to take on a $750k home with the income that we earn?

You can hear real-world examples of how others have built their investment portfolio and (hopefully) learn to avoid their mistakes.4.

we just bought an underpriced piece of land that was unentitled and had high upside in Franklinton in Columbus Ohio. a non profit owned a plot 4x the size an Called us only after our project was announced and asked If we'd buy their site. we gave them 4 different ways they could work with us and their realtor wasn't experienced enough and neither was their director of finance. the bought it to put a food pantry and couldn't because they can't develop. it's a mistake on their part to purchase land like this. their funds should have been used for other reasons.

At least in this last response you touch on some of your mistakes such as not asking the poster questions to clarify.