How do i know if my appeal of onset date of disability was fully favorable?

Contact your attorney or SSA for the answer.

Is it likely for a young adult in a long term care facility to lose SSDI benefits following an 18 month CDR?

I agree completely with the previous answer.

You question is unclear to me, but I believe you should talk to a financial planner not an attorney.

How much can an adult child on SS survivor benefits earn?

Disabled adult children are eligible for the trial work period, so the rules on working are the same as disabled individuals.

You may just need to apply again for a new card. You don't need an attorney.

Yes, subject to the earnings limits in the prior answer.

Can Social Security revise the Benefits Planning Query?

Yes, information on queries can change. Contact SSA directly to discuss your specific situation.

Can I file child support for my son his 19 yrs old born with a special needs ?

Please repost with a more clear question and facts.

I agree with attorney Pont. Hire an attorney and file for disability, alleging an onset date that is before your date last insured.

Will my SSDI benefits be reduced if I receive PUA?

This question has been asked and answered multiple times. SSDI benefits will not be affected by receipt of PUA.