Flipping a gun for a price higher than one paid now may turn anyone into a dealer, making any such sale unlawful if it does not involve all the licensing and paperwork that govern gun dealers…

Now, with a Democrat again at the helm, the ATF wants to further limit private sales with the threat of criminal punishment by expanding the definition of gun dealing while leaving it vague enough to dissuade private sales.

https://www.zerohedge.com/political/atf-rule-change-creates-trap-unwary