Retirement tax questions

How much is “low”?   Do you also get Social Security?  

You don't have to file if you only have income under 13,850 but you can file to get back any withholding taken out in W2 boxes 2 or 1099R box 4.

Do you need to file a return?

https://ttlc.intuit.com/community/filing-and-paying-taxes/help/do-i-need-to-file-a-federal-return-th...