Can my friend (with no legal status) travel on domestic flights?

IDNYC does not fulfill the requirements of the REAL ID act. Get a driver's license, or be content with discounted museum admissions in NYC.

What can i do to regain payment?

Take it back to the flea market, find the "merchant " and make a stink.

How do I research/find a lawyer to represent a 10 year old?

Report the abuse to Child Protective Services.

How do I go about canceling a contract for a private gym when there is no option in the contact?

Move and cancel, then move back.

Are places discriminating with service animals

Your cat is ot a service animal, but is an Emotional Support Animal.

If a lawyer make his decisions based on what some random strangers told him about his client, is he unprofessional?

Yes. No. Could go either way. What is the truth? What decision?

Can the legal clinic close my file when my debt is unpaid and i made need representation in the future.

Yes. Don't mess up the payment plan.

It is legal to post it, but you will be scammed and/or arrested.

Do I have to pay the difference for an undersold purchase from a retailer if it was their fault it wasn't paid?

Um, yes.

Are there any laws that ensure quality assurance if software is outsourced to India?

There may be Indian laws about that, but the concept is laughable in the USA.