You get onto the federal filing system and look at the charging documents.

How can I get a no tresspassing removed

If the owner doesn't want you there, you don't go. You can't override someone's property rights just because you want to.

Is her verbal harassment a crime? Is her collecting child support while living with me a crime or illegal? What can I do?

You probably shouldn't have let her in your house. You need to lawyer up now, get your place back, and it's probably also a good idea to keep some...

Do I get to keep a filed contract on a house I am buying when a person on the deed dies?

The mortgage is superior to your interest, so it will need to be paid.

Yes. You shouldn't have any problem working overnights if you have graduated from high school.

Can I refuse to allow a realtor to show my particular apartment?

Nope. With notice, the owner can show its property.

Is their insurance responsible to pay for my items that were stolen?

Probably not, because you would have needed renter's insurance to cover your own stuff.

Can a landlord go after me for back rent and damages 2 years later when I gave 30 days notice?

The 30 days relates to your deposit. They can still sue you for unpaid rent.

Can a landlord remove my property for non-compliance with no court order?

Nope. That would violate the Iowa landlord/tenant laws.

Can I take my wife's? Name off the title if it says or on the title

If it's "OR," your signature should be sufficient to transfer the car.