Thank you for your help! I am going skip mailing an amended return for NJ as I see no difference on the state amended return and original return - and I will have my parents mail in both their Federal and State returns as normal including me as a dependent.
I filed because I wanted to have my tax records for every year just for my own sake of completeness but yeah I realize it was incredibly stupid for me to do so, especially with this huge headache I created now. 😟
