Additionally, I look at building code violations and or recent permits issued for the building.

You may be able to find houses that will get close to that criteria, but they will most likely be in less desirable neighborhoods that you will have lots of issues and turnover.

If you don't know your landlord tenant code, how to give proper notices, how long you have to fix maintenance issues, how to evict if needed, etc...you should hire a property manager

I don't see discussion on this issue.. isn't it the case that Mojo dials multiple #s that are in separate columns. 

If you'd rather not deal with tenant calls or maintenance issues, a manager might be worth the cost.You've put some great thought into your plan.

If your LLC is sued, you will be required to defend the LLC, your name will then become known, and the plaintiff's attorneys will amend the complaint to include you.

Example:Late rentUnpaid rentNoise violationUnauthorized occupantUnauthorized petAbandoned rentalAfter creating your list, consider the law and advice from NOLO and build a policy or process for handling that issue.

Accountants are in such demand, that the best are not even accepting clients half the time.The other problem I see often with accountants on here is that they specialize in larger investors, and have really high prices when you as a smaller investor do not need all the bells and whistles.Another thing I see is folks thinking they need to have a tax professional in their state.

Be aware of hidden damages in foreclosed properties, factor in potential vacancy rates, and consider property management for a larger portfolio to streamline operations.

You'll need to be able to substantiate your status if you're ever questioned about it, but it sounds like you're really good at record-keeping already, so that shouldn't be an issue.