Is it Libel if 3rd party Recipient does not believe the claim?

Could you? Maybe, but it would be a waste of time and resources.

Will I lose everything?

Iowa is an equitable division state. Your contributions to the property will be considered, as will who holds title and other factors.

As a sole proprietor (teach music lessons at home), can I protect myself with a hold harmless clause in my lesson agreement?

If drafted correctly, sure, for certain claims.

What forms need to be filed to seek full custody if my ex wife has left our 2 children and has moved to another state.

The only forms out there are the ones on the Iowa Judicial Branch's web site - www.iowacourts.gov.

The law isn't 100% clear on the subject, but most Iowa law seems so support that firearm rights would be restored because of the Iowa Supreme...

Landlord / tenant repairs and repair to deduct?

I could see it going both ways. It really depends on how bad the issue is and whether it impacts the habitability of the residence.

Can I get my child support lowered?

Maybe, maybe not. I think you mean "willingly" not working. Sometimes a court would consider voluntary underemployment and "impute" income to...

How can I help my daughter not lose our grandbaby when the father's mother is involved

Enforce the existing custody order. If there isn't one, file to get one in place. If there isn't one AND they aren't married, have her go again...

Do I need to take further action?

Well, in talking to a lawyer, you should probably show that lawyer what you were ordered to do rather than us just guessing based on your...

It depends on when it was accrued. It's 20 years for support accrued before 1997, and no statute of limitations for support accrued after 1997.