Yes, a non-w2 wage earner has income that is not tracked by a w2 ...
The general issue with gambling wins is not that the IRS doesn't know (casinos report winnings) its that they don't have to report losses.
The general issue with gambling wins is not that the IRS doesn't know (casinos report winnings) its that they don't have to report losses.
It's generally $600 for winnings, and $5000 for withholding.
https://www.irs.gov/pub/irs-news/at-01-17.pdf
https://www.irs.gov/pub/irs-tege/gaming_withholding_reportin...